NET-Wireless Siren with Rechargeable Battery Backup

R602B is a smart wireless alarm that can communicate with other devices through a wireless network. It has a high-decibel speaker and high-brightness LED which can realize sound and light alarms. It adopts SX1276 wireless communication module.
Power Supply
DC 12V
Working Current (max)
250mA (DC 12V)
Standby Current (max)
30mA (DC 12V)
Backup rechargeable battery
3 sections 1.2V AAA Ni-MH rechargeable batteries
Average working current of backup rechargeable battery (without DC power supply)
25mA (when no alarm)
Backup rechargeable battery once full use time
about 24 hours
Backup rechargeable battery low voltage alarm voltage
3.6V
Alarm Sound Decibel
≥80dB
The Brightness Of Warning Lights
LUX(TBD)