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Dahua · LM22-B201S
Dahua LM22-B201S 21.45-inch Full HD IPS monitor with 100Hz, HDMI 1.4, VGA, audio-out and dual 1W speakers. Dahua official specifications and current Bangladesh seller stock checked.
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Product story
Dahua LM22-B201S (DHI-LM22-B201S) is a 21.45-inch Full HD IPS monitor with a 100Hz maximum refresh rate, HDMI and VGA inputs, audio output and two integrated 1W speakers. Dahua’s official specification lists a 1000:1 contrast ratio and 5ms OD response time. Seller pages conflict on those two figures; manufacturer specifications are used here. The prices and stock observations below refer to external seller pages and are not BiponiBD offers.
The Dahua LM22-B201S is a compact 21.45-inch Full HD monitor for everyday computing, study, home office, point-of-sale counters and general multimedia. The manufacturer product page identifies the model as DHI-LM22-B201S, IPS LCD technology and ELED backlight. Retailers shorten the model to LM22-B201S; check the carton label and warranty paperwork to confirm the exact model suffix before buying. This listing describes one black monitor and its documented default variant. Stock and seller pricing can change quickly; the prices shown here are independent seller observations, not offers from BiponiBD. Dahua DHI-LM22-B201S / LM22-B201S; official Dahua model page and datasheet; 21.45-inch IPS ELED; 16:9; Full HD 1920×1080; 100Hz; 16.7 million colours; 72% NTSC; 250 cd/m² maximum brightness; official contrast 1000:1; OD response 5ms; 178° horizontal and vertical viewing; 0.2493 × 0.241mm pixel pitch; 102.7 PPI; haze 25%, 3H surface; software blue-light protection; one HDMI 1.4 input supporting 1920×1080 at 100Hz, one VGA input; audio out; two 1W speakers; DC 12V 2A; consumption 15W basic, 17W typical, 19W maximum, below 0.5W standby; -5°/+15° tilt; 75×75mm VESA; 492.7×284.0×39.5mm W×H×D without wall bracket; 2.18kg net, 3.12kg gross; black; five-button control; 30,000-hour stated lifespan; operating 0°C to +40°C, 10–85% RH; storage -20°C to +60°C, 5–90% RH; CE EMC, CE LVD, CE ERP. Manufacturer lists accessory: power adapter, base, HDMI cable, QR user manual and regulatory information. Three-year warranty is shown by reviewed local sellers, confirm local warranty card.
The 21.45-inch diagonal panel uses a 16:9 aspect ratio and native Full HD resolution of 1920 × 1080 pixels. At native resolution, it suits documents, browser tabs, online classes, video streaming, spreadsheets and common desktop applications. The resolution is Full HD, not QHD or 4K, so users who need a large pixel workspace for detailed design, CAD or several dense windows should compare a higher-resolution model. The manufacturer lists 0.2493 × 0.241mm pixel pitch and 102.7 pixels per inch. Set the computer to 1920 × 1080 and choose a supported refresh rate for the sharpest mapped output. Text size can be adjusted in the operating system without changing the panel’s native pixel count.
Dahua specifies an IPS LCD panel with 16.7 million colours and a 72% NTSC gamut. The wide viewing angle is rated at 178 degrees horizontally and vertically; this can help the image remain viewable when a person is not directly centred. Those values are manufacturer specifications and do not constitute a third-party calibration or colour-uniformity test. The maximum brightness is listed as 250 cd/m². That level is intended for ordinary indoor use; direct sunlight and bright windows can still wash out the picture. The official contrast specification is 1000:1. Some local retail listings claim 3000:1, which conflicts with Dahua’s official page and datasheet, so this listing follows the manufacturer’s 1000:1 value and preserves the disagreement as a source caveat. Buyers doing colour-critical work should request a measurement report rather than infer calibration from gamut or panel type.
The official specification gives a 100Hz refresh rate and a 5ms OD response time. A 100Hz input can display up to 100 refreshes per second when the computer, cable, graphics output and selected mode all support it. Moving from a conventional 60Hz signal to 100Hz may make scrolling, cursor movement and compatible games appear smoother. OD means overdrive response mode; the 5ms figure is not an independent measure of total input lag, motion blur or pixel overshoot. The manufacturer datasheet should be consulted for supported timings. This monitor is suitable for casual gaming and general fast-moving content, while competitive players seeking substantially higher refresh rates should compare dedicated gaming displays and confirm adaptive-sync support if needed. No adaptive-sync feature is asserted here because the reviewed manufacturer specification does not list one.
The Dahua page lists one HDMI 1.4 input, which supports 1920 × 1080 at 100Hz, and one VGA input for compatible legacy devices. There is also one audio output. Two integrated 1W speakers provide basic sound for system alerts, calls and casual video; compact monitor speakers are not a substitute for dedicated speakers or headphones when fuller volume and bass matter. HDMI can carry digital video and audio from a compatible source. VGA is an analogue video connection, so audio must be routed separately. The manufacturer listing does not identify USB-C, DisplayPort, a USB hub, camera or microphone; do not assume these are included. Confirm the required port and cable at the source device before purchase.
The official product specification gives a tilt range of -5 to +15 degrees and a 75 × 75mm VESA mounting pattern. A compatible wall or monitor arm may be used with the correct bracket; mounting hardware is listed as optional, so verify what a seller includes. Without the wall-mount bracket, the product dimensions are 492.7 × 284.0 × 39.5mm (width × height × depth), and the net weight is 2.18kg. Dahua gives a packaged size of 598 × 366 × 99mm and gross weight of 3.12kg. Allow extra desk depth for the stand and connected cables; the no-bracket dimensions are not the full footprint of a desk setup. The casing colour is black and the control layout uses five physical buttons.
The monitor uses a 12V DC, 2A supply. Dahua lists 15W basic, 17W typical and 19W maximum consumption, with standby below 0.5W. These are manufacturer figures, not a measured reading for every brightness or use condition. Keep ventilation openings clear, use the supplied compatible adapter, and avoid liquid or pressure on the LCD surface. The manufacturer operating range is 0°C to +40°C and 10%–85% relative humidity; storage is -20°C to +60°C and 5%–90% RH. Dahua lists a 30,000-hour lifespan, a product specification that should not be read as a guaranteed service life under every environment. CE EMC, CE LVD and CE ERP are the listed certifications.
The display surface is listed as haze 25%, 3H, and Dahua describes software blue-light protection. These product features do not prevent eye fatigue or replace personal comfort settings. Reduce reflections by positioning the screen away from direct light, adjust brightness for the room, use a comfortable viewing distance, and take regular breaks. The reviewed manufacturer page does not claim a flicker-free certification or medical benefit, so neither is claimed here. Colour appearance varies with source device, picture settings and ambient light.
Local seller listings reviewed for this model state a three-year warranty. Dahua’s cited specification lists the accessories as a power adapter, base, HDMI cable, QR-code user manual, legal and regulatory information; confirm the actual box contents with the seller because regional bundles can vary. Check the warranty card, serial number, dead-pixel or return terms, and service provider before payment. Sellers advise checking availability and delivery details before ordering. BiponiBD does not guarantee an external seller’s inventory or warranty. Two direct seller pages showed in-stock status at the time checked, while another exact-model listing was out of stock.
This model can suit a user who wants a compact FHD IPS screen, 100Hz maximum refresh, HDMI and VGA compatibility, integrated basic speakers and a VESA mounting option. It can support home office, study, web browsing, video and casual gaming when the connected device provides a compatible mode. Its 21.45-inch screen and 1920 × 1080 resolution are space-conscious but offer less workspace than larger QHD panels. The 250 cd/m² maximum brightness and 1000:1 official contrast are modest specifications for very bright rooms or demanding HDR and colour-critical workloads. HDMI and VGA are the listed inputs; users who need USB-C docking or multiple modern video inputs should choose a model that explicitly includes them.
At the time of the Chrome review, Ultra Technology displayed ৳9,600 and In Stock, and Perennial displayed ৳11,000 and In Stock for the exact model. Star Tech showed Out Of Stock / To be announced and was excluded from the current in-stock range. These are seller page snapshots, not guaranteed checkout totals; promotions, delivery fees, stock and warranty terms can change. The observed ৳9,600–৳11,000 span is an approximate comparison of those two in-stock seller asks, not a BiponiBD sale price. Recheck each seller directly before ordering.
Connect the computer using HDMI 1.4 for the listed 1920 × 1080 at 100Hz mode when supported. After connecting, open display settings, select the monitor, choose 1920 × 1080 and check whether 100Hz is available. If the menu offers only 60Hz, check the cable, graphics driver, port capability and operating-system display mode. Use VGA only when required by an older source, and expect a separate audio connection if sound is needed. Adjust tilt and brightness for the room; use the audio-out connector for external sound when the integrated speakers are not sufficient. If the panel has damage, preserve packaging and contact the selling shop under its written return and warranty policy.
Dahua identifies it as DHI-LM22-B201S; seller pages commonly shorten this to LM22-B201S. Confirm the suffix on the product label and warranty card.
It is a 21.45-inch 16:9 monitor with native Full HD 1920 × 1080 resolution.
Dahua lists 100Hz. Its official port specification says HDMI 1.4 supports 1920 × 1080 at 100Hz; the source device, cable and selected mode must also support it.
The manufacturer lists IPS LCD with ELED backlight and 5ms OD response time. Some retailers show 4ms OD, so use the manufacturer’s 5ms figure as the primary specification.
Dahua’s official product page lists 1000:1. Some retailer pages say 3000:1; this conflict is disclosed and the manufacturer value is used in this listing.
One HDMI 1.4 input, one VGA input and one audio output are listed.
Yes. The official specification lists two 1W speakers.
It lists a 75 × 75mm VESA mounting pattern. The wall bracket is an optional accessory, so verify inclusion separately.
Without a wall-mount bracket, Dahua lists 492.7 × 284.0 × 39.5mm (W × H × D). Net weight is 2.18kg; packaged gross weight is 3.12kg.
Local seller pages reviewed state three years. Confirm the warranty provider, card and service terms with the seller before purchase.
Chrome review found Ultra Technology at ৳9,600 and In Stock and Perennial at ৳11,000 and In Stock. This is an observed seller comparison, not a BiponiBD offer; recheck the sellers for current stock and final price.
No BiponiBD seller offer was verified in this review. The external prices are informational only and do not represent BiponiBD inventory or checkout pricing.
Specifications are based primarily on Dahua’s official model page and datasheet, with seller stock and price observations checked separately. Confirm the exact unit, current availability, included accessories and warranty directly with the seller before purchase.
Helpful answers
Product-specific answers maintained with the catalog information.
Dahua identifies it as DHI-LM22-B201S; seller pages commonly shorten this to LM22-B201S. Confirm the suffix on the product label and warranty card.
It is a 21.45-inch 16:9 monitor with native Full HD 1920 × 1080 resolution.
Dahua lists 100Hz. Its official port specification says HDMI 1.4 supports 1920 × 1080 at 100Hz; the source device, cable and selected mode must also support it.
The manufacturer lists IPS LCD with ELED backlight and 5ms OD response time. Some retailers show 4ms OD, so use the manufacturer’s 5ms figure as the primary specification.
Dahua’s official product page lists 1000:1. Some retailer pages say 3000:1; this conflict is disclosed and the manufacturer value is used in this listing.
One HDMI 1.4 input, one VGA input and one audio output are listed.
Yes. The official specification lists two 1W speakers.
It lists a 75 × 75mm VESA mounting pattern. The wall bracket is an optional accessory, so verify inclusion separately.
Without a wall-mount bracket, Dahua lists 492.7 × 284.0 × 39.5mm (W × H × D). Net weight is 2.18kg; packaged gross weight is 3.12kg.
Local seller pages reviewed state three years. Confirm the warranty provider, card and service terms with the seller before purchase.
Chrome review found Ultra Technology at ৳9,600 and In Stock and Perennial at ৳11,000 and In Stock. This is an observed seller comparison, not a BiponiBD offer; recheck the sellers for current stock and final price.
No BiponiBD seller offer was verified in this review. The external prices are informational only and do not represent BiponiBD inventory or checkout pricing.
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