Feature:

1. Working Power: DC3.V（Cell coin battery）   
2. Working current: ≤15mA                                                      
3. Standby current: ≤5uA       
4. Emission current:≥10mW                                                         
5. SOS Button for emergency
6. Wireless Distance:≥80M(Open Area）                      
7. Wireless frequency:3433 MHZ/433Mhz                            
8. Working Temperature:-10℃-55℃