2022 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:


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