Hikvision
0,00 ₼
| Power supply method | Battery |
| Working temperature | -10 ℃ to 55 ℃ (14 °F to 131 °F) |
| Working humidity | 10% to 90% (No condensing) |
| Dimensions | 80 mm × 36 mm × 20 mm (3.1" × 1.4" × 0.8") |
| MCBF | More than 0.5 million times for key press |
| Battery life | ≥ 4 month (100 times per day, 25 °C) |
| Communication distance | 15 m |
| Communication frequency | 433 MHz |