Specification:
Model: MW812D
Wi-Fi Type: Zigbee
Wi-Fi Standard: IEEE 802.15.4
Working Temperature: ‒10°C to +55°C
Low battery indication: Yes
Alarm Triggering Distance: 23±5 mm
Working Voltage: DC 3V (CR2032 battery)
Size: 52.6 x 26.5 x 13.8mm (Main body), 25.5 x 12.5 x 13mm (Magnet)