Smart WiFi Wireless Doorbell Alarm System with 58 Chime Sounds, 433MHz Detectors & Strobe Siren - Perfect for Home Security, Apartment Entry Alerts & Business Notifications

Product Description

Not only the product is a doorbell, but also it is a home alarm system.2. DB_A1,A2,A3 support 433MHz detectors, but not support wifi function.3. DB_B1,B2,B3 support 433MHz detectors, also support wifi funtion. The best recommend !!!58ringtones to choose fromButtons can be set to diffrent music Used to distinguish different doorsHigh-frequency transmission technology, up to100m distanceStep 1: Remove the double-sidedadhesive tape and stick it onthe back of the button, then stick the button on the wall. Step 2: Plug the doorbell host into the socketPress the button, super learning code can freely learn to match, can be unlimited matching receiver and button.The transmitter without screw chuck design to achieve waterproof and dustproof.