QAWACHH doorbell Chime Motion Sensor Alarm Door Secure Remote Detection System Wireless Door Chime  (1 Tune)

QAWACHH Brand Intelligent Sensor Welcome Doorbell Bilingual Greeting Warning Alarm Electronic Guest-Saluting Doorbell.The elite of the advanced computer manufacture technology, apply the function of automatic light sensitive. The excellent function. Easy usage, energy saving, and high sensitivity make it meet the need of market more and closer to consumers' lives. It's suitable for the dwelling houses, shops, offices, factories and so on. It not only brings you convenience but also give you the unexpected happiness and safety. 1.Put in 3 pieces of AA 1.5V batteries. The electricity consumption of this doorbell is low, so the batteries can be used for more than 2 months. 2.Install the electronic guest-saluting doorbell beside the door and switch it to the position of modes. 3.The doorbell will play music automatically when people come by 4.Light control distance is 4-5 meters. It is advised to use it in the places where there is enough light.