NEO NAS-AB02B ZigBee USB Siren Alarm Sensor1. Function: trigger alarm, make sound and light, remote on off via APP 2. Automatically restore the previous settings with memory function when network or power off reconnecting 3. Battery: CR123Ax2 3V (not included) 4. USB Power supply: 5V 1A 5. Volume: 90db 6. Working Temperature: 0 40 degrees Celsius 7. Working humidity: 20% 85% 8. Wireless frequency: 2. 4GHz 9. Network range: 40m 10. Wireless protocol : Zigbee 3. 0 IEEE 802. 15. 4 11. Size: 68mm

Audio channel: 2

with a strong adhesive pad at the bottom

Adopting a 15-degree oblique angle design

it can directly match with follow focus

Retired or unwell old people can relieve mood and relax

Focal range: 25X/50X

travel and entertainment

High-density microporous filter to filter impurities in water

00kgs / 66

which allows you to measure distance for 2000 times when fully charged

automatic station lock and automatic station storage

and booming bass