1.Working voltage: 5V
2. Standby current: 20mA
3. USB voltage: DC5V
4. Alarm current: 60mA
5. Choice of angle: left and right 360 degrees, up and down 120 degrees
6. WiFi: IEEE 802.11b 2.4GHz
7. Alarm sound: greater than 80dB
8. Working temperature -10 ~ +50 degrees Celsius
9. Detection distance: 9-12m
10. Detection angle: 90 degrees
11. Transmission frequency: 433 MHZ