Smart Doorbell Ring

$22.00
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Smart Doorbell Alarm

Digital Welcome Chime

Ring Bell

Modern Contemporary Home Design

Security Surveillance 

Intelligent Wireless Doorbell

Waterproof

300m Remote 

Home security alarm system.

They compatible with 433MHz wireless detectors.

A40 support WiFi app function.

You will receive phone app message if someone press the doorbell button.

Wireless/WiFi

Electric Supply