ขาย Security Alarm Chime Wireless Door Bell 38 Tune Songs Welcome Home Hotel Entry Door Bell with Infrared Motion Sensor ราคาที่ดีที่สุด

Infrared sensor detects motion and sends a signal to the receiver.The portable wireless plug-in receiver plugs into any standard outlet. The sensor uses 3 AAA batteries (Not Included).Working range up to 70 meters between receiver and transmitter allowing you to place it a good distance from the receiver.38 different songs for you to choose.Ideal for front doors, window frames, driveways, walking paths, and anywhere in your home you want to be alerted to motion.