2023 Factory hot sale Smart Pir Greeting Anti-theft Doorbell

Main Features:* Powered by Tuya APP * Welcome chime * Anti-theft *Anti-theft alarm mode can be adjusted at night, which can effectively prevent thieves and ensure property safety * Customers entering and exiting the store are counted once, you can use the APP to view the real-time traffic of the day. * Different working conditions, showing different color lights * 5 levels of volume adjustable (0-85dBA) * 58 Ringtones * Ultra-low power consumption designSpecifications1. Power supply: Micro USB+5V/1A2. Backup battery: 3.7V/300mAh lithium battery3. Working current: <300mA (undercharging state):<100mA (under battery power supply)4. Alarm current: <400mA5. Music: 30 songs for chosen6. Volume: 5 levels adjustable (including mute)7. Wi-Fi: IEEE802.11b/g/n8. Infrared detection distance: >5m9. Wireless frequency: 433M/1527/330K10. Wireless transmission distance: 70m (open distance)11. Wireless receiving distance: 70m (open distance) Packaging & Shipping Packing: Neutral package (Color box)OEM ...