
Dahua 24.5" IPS Gaming Monitor 180Hz 0.5ms | Full HD | LM25-E231B
The Dahua DHI-LM25-E231B is a 24.5-inch Full HD (1920 × 1080) gaming monitor with an IPS panel, a 180 Hz refresh rate and a 0.5 ms response time (OD). It connects through DisplayPort 1.4 or HDMI 2.0 and supports adaptive sync.



180 Hz for smooth motion: At 180 Hz the screen refreshes 180 times per second, which makes fast movement in games look smoother than on a standard 60 Hz monitor. To use 180 Hz, your graphics card and game need to output that frame rate.
Fast response time: Dahua rates the response time at 0.5 ms with overdrive (OD) and 1 ms MPRT, which reduces blur and ghosting behind moving objects.
Adaptive sync: Adaptive sync matches the monitor's refresh to the frames sent by the graphics card, which helps prevent screen tearing and stutter during gameplay.
IPS panel with wide viewing angles: The IPS panel has 178° horizontal and vertical viewing angles, 300 cd/m² maximum brightness, a 1000:1 contrast ratio and an 85% NTSC color gamut, so colors stay consistent when you look at the screen from the side.
Slim bezels and VESA mount: The frame is 6.98 mm on the top and sides, and the monitor can be mounted on a wall or arm with a 100 × 100 mm VESA mount. The stand tilts from -5° to 20°.
Good to know
The stand adjusts for tilt only (no height, swivel or pivot adjustment is listed by Dahua). The monitor runs from an external 12 VDC 3 A power adapter.
What's in the Box
Monitor, power adapter, DP cable, user's manual, legal and regulatory information.
Technical Specifications
| Model | DHI-LM25-E231B |
| Screen Size | 24.5 inch |
| Panel | IPS, ELED backlight |
| Resolution | 1920 × 1080 (Full HD), 16:9 |
| Refresh Rate | 180 Hz |
| Response Time | MPRT 1 ms, OD 0.5 ms |
| Brightness | 300 cd/m² (max) |
| Contrast Ratio | 1000:1 |
| Color Gamut | 85% NTSC |
| Viewing Angle | 178° (H) / 178° (V) |
| Adaptive Sync | Supported |
| Inputs | 1 × DP 1.4, 1 × HDMI 2.0 |
| Power Supply | 12 VDC, 3 A (external adapter) |
| Power Consumption | 18 W (basic), 19 W (typ.), 25.3 W (max); standby < 0.5 W |
| Tilt | -5° ± 2° / 20° ± 2° |
| VESA | 100 × 100 mm |
| Dimensions (without stand) | 557.7 × 330.6 × 58.0 mm |
| Net Weight | 2.93 kg |
| Operating Temperature | 0 °C to +40 °C |
📄 Datasheet: Download the official Dahua DHI-LM25-E231B datasheet (PDF)
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