Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School

[58 RINGTONES & 5 VOLUME LEVELS] The Security Alarms Detection Chime features 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash. [EXPANDABLE WIRELESS HOME SECURITY] Flexible design according to your actual needs. You can choose the quantity of transmitter and receiver you like, which can be freely matched with each other. Each receiver of this motion sensor detects an alarm and can work with up to 20 motion sensors. [SUPER LONG RECEIVING RANGE] The operating range between the receiver and transmitter is up to 500 ft, and the infrared sensor has a range of about 13- 16.5 ft, so when a thief tries to come, it will detect him and activate a 110 dB alarm.

[EASY TO INSTALL] The sensor is mounted and works with two AAA batteries (included), and the receiver plugs into a standard outlet. Our doorbell motion detector security sensor can detect motion up to 110 degrees