Wireless doorbell with PIR infrared motion detector (1 sensor and 1 receiver)

About this product

This security alarm uses an infrared sensor to detect moving objects and sends a signal to a receiver. Once activated, the receiver will sound an alarm and flash. Thanks to its high-precision sensor, you can immediately know if someone has broken into your home. You can enter your shop without a access control system. Wireless doorbell: Effective range up to 200 meters (distance between sensor and receiver); Sensor detection range (passive infrared detection): approximately 3 to 5 meters. The receiver has four buttons: a volume button to turn the sound on or off; a music button to select from 36 ringtones; and three volume levels (high, medium, low). Power supply: Sensor: 3 AAA batteries (not included); Receiver: 110-240V DC. Wide range of applications: Suitable for various commercial locations, hotels, offices, factories, homes, etc.