
Dahua 24.5" IPS Gaming Monitor 240Hz 0.5ms | Full HD | LM25-E241B
The Dahua LM25-E241B (DHI-LM25-E241B) is a 24.5-inch Full HD (1920 × 1080) IPS gaming monitor with a 240 Hz refresh rate and 0.5 ms response time (OD). It has one DisplayPort 1.4 and one HDMI 2.0 input, and both support 1920 × 1080 at 240 Hz.


240 Hz refresh rate: The screen refreshes up to 240 times per second, so fast motion in games looks smoother than on a standard 60 Hz monitor. To get 240 Hz, the graphics card or console must output 240 Hz over DisplayPort 1.4 or HDMI 2.0.
0.5 ms response time: Dahua rates the response time at 0.5 ms with overdrive (OD) and 1 ms MPRT, which reduces blur and ghosting in fast-moving scenes.
Adaptive Sync: Adaptive sync helps prevent picture lagging and tearing by matching the screen refresh to the frames coming from the graphics card.
IPS panel with wide viewing angles: The IPS panel gives 178° horizontal and vertical viewing angles, 85% NTSC colour gamut, 8-bit colour (16.7M colours), 350 cd/m² brightness and 1000:1 contrast. HDR10 is supported.
Eye care: Software blue light protection reduces blue light during long sessions, and the screen surface has a 25% haze anti-glare treatment.
VESA mounting: The monitor has a 100 × 100 mm VESA mount, so it can be fixed on a wall bracket or monitor arm. The stand tilts from -5° to 20°.
Good to know
The monitor has no built-in speakers listed by Dahua; it has an audio out port for headphones or speakers. It is powered by an external 12 VDC 3 A power adapter. A DP cable is included (no HDMI cable is listed in the box).
Technical Specifications
| Model | DHI-LM25-E241B |
| Panel | IPS, ELED backlight |
| Screen Size | 24.5 inch, 16:9 |
| Resolution | 1920 × 1080 (Full HD) |
| Refresh Rate | 240 Hz |
| Response Time | MPRT 1 ms, OD 0.5 ms |
| Colour Gamut | 85% NTSC |
| Display Colour | 8 bit, 16.7M colours |
| Brightness | 350 cd/m² (typ.) |
| Contrast Ratio | 1000:1 |
| HDR | HDR10 |
| Viewing Angle | 178° (H) / 178° (V) |
| Inputs | 1 × DP 1.4 (1920 × 1080 @ 240 Hz), 1 × HDMI 2.0 (1920 × 1080 @ 240 Hz) |
| Output | 1 × Audio out |
| Power | 12 VDC, 3 A adapter; 19 W typ., 23.8 W max.; standby <0.5 W |
| Tilt | -5° ± 2° / 20° ± 2° |
| VESA | 100 × 100 mm |
| Dimensions | 557.7 × 330.6 × 58.0 mm (without stand bracket) |
| Net Weight | 2.93 kg |
| Colour | Black |
| In the Box | Power adapter, DP cable, user's manual, legal and regulatory information |
📄 Datasheet: Download the official Dahua DHI-LM25-E241B datasheet (PDF)
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