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

This security alarm detection chime offers 58 ringtones and 5 adjustable volume levels to match personal preferences. When the receiver obtains a signal from the motion sensor, the LED indicator light flashes. The flexible design accommodates your specific requirements. You can choose your preferred quantity of transmitters and receivers, and they can be freely paired with each other. Each receiver can detect an alarm and can function with up to 20 motion sensors. The operating range between the receiver and transmitter extends up to 500 feet. The infrared sensor features a detection range of approximately 13- 16.5 feet, so it will identify an intruder and trigger a 110 dB alarm.

The sensor is mounted and operates using two AAA batteries (included). The receiver plugs into a standard outlet. This motion detector security sensor can identify motion within a 110-degree field of view.
To change the ringtone: 1. Press the volume button or down button to select a ringtone. 2. Hold the volume button for 5 seconds, or briefly press the volume and down buttons until the receiver emits a "ding" sound and the LED flashes. 3. Wave your hand in front of the sensor to set the new ringtone