| Working voltage | DC3V (CR17505) |
| Battery capacity | 1400mAh/2800mAh |
| Standby current | ≤ 5uA |
| Smoke detection type | photoelectric mode |
| Alarm mode | LED&buzzer/voice |
| alarm sound | ≥85dB |
| Frequency | 470/915MHz |
| Transmission distance | 1km in open space |
| Size | Diameter 106 (mm) X Height 45 (mm) |
| Single gross weight | 120g (2800mAh) |
| Fire rating | V-0 |
| Working temperature | -0 ℃ -+40 ℃ |
| Working humidity | ≤ 93% RH |