GreenBlue GB3400 PIR Sensor Motion Alarm Wireless Doorbell - 120m Range - 5 Ringtones - LED Indicator - Wireless Security Alert System wrong_title non-metallic objects (eg glass

non-metallic objects (eg glass

✔ High Quality and Easily Adjustable Wall Mount

The timer switch can work in day

locker rooms

Automatic snooze function

GreenBlue GB3400 PIR Sensor Motion Alarm Wireless Doorbell - 120m Range - 5 Ringtones - LED Indicator - Wireless Security Alert System wrong_title non-metallic objects (eg glassWireless independent alarm with motion sensor. Passive infrared motion detector (PIR) . The devices has s LED low battery indicator . Alarm with range of 120 m allows you to select from 5 ringtones. Just place the sensor in place or space where you need and the alarm will alert you when someone enters the detection area. It can also be used as a wireless doorbell , ideal for shopping, business, beauty salons, for side , front or back door.