Power supply: 2 AA batteries

Standby current: ≤50µA

Alarm current: ≤250mA

Communication protocol: ZigBee HA

Wireless standard: IEEE 802.15.4

Wireless frequency: 2.4GHz  Channels: 11, 14, 15, 19, 20, 24 and 25

Modulation mode: OQPSK

Encryption mode: AES-128

Communication speed: 250 Kbps

Transmission power: ≤4.5dBm

Receiver sensitivity: ≥ -90dBm

Detection range: ±70 degrees vertically, ±120 degrees horizontally Detection

distance: 7m

Communication distance: 80m (in open area)

Casing material: PC+ABS

Operating environment: -10 - 50°C

Operating humidity: 10% - 90% RH