| working voltage | DC3V |
| Standby current | ≤50uA(AA battery+RF); ≤20uA(Lithium battery +RF) |
| Alarm current | ≤60mA |
| Carrier frequency band | FSK 433.MHz(Optional 512MHz, 868MHz) |
| Communication distance | ≥100m@Open environment |
| Alarm sound | ≥85db@3.m |
| Product life | 2 years (AA battery+RF);7 years(Lithium battery +RF) |
| Compliance with standards | EN50291-2018 |
| work environment | -10~40ºC, ≤95%RH |
| Environmental standards | RoHS |
| Overall dimensions | 93*93*28mm |