Wireless Infrared Sensor Doorbell Monitor Detector Entry Door Bell Alarm Chime Welcome Device-ELMN-S

 Wireless Infrared Sensor Doorbell Monitor Detector Entry Door Bell Alarm Chime Welcome Device

Features: 
Attach this infrared alarm anywhere you want and instantly know when someone crosses the beam.
Infrared sensor detects motion and sends a signal to the receiver.
Wireless installation, just place the sensor at the entrance.
Great for retail store, shops, business, salons, front / back / side door, etc.
Receiver requires 2* AA batteries, transmitter requires 1* 9V battery (batteries are not included).
Send audible chime sound, alerting you that somebody is approaching (Note: only one music type sound, no changing )

Specifications: 
Color: White
Material: Plastic
Melody: for Alice
Receiver Switch Setting: High / low volume / off
Working Range: Up to 100 meters / 328 feet between receiver and transmitter
Receiver Size: Approx. 9 * 6.5 * 2.6cm / 3.5 * 2.6 * 1 inch
Transmitter Size: Approx. 9 * 6 * 4.3cm / 3.5 * 2.4 * 1.8 inch
Package size: 10.3 * 10.3 * 7cm / 4.1 * 4.1 * 2.8in
Package weight: 172g / 6.04oz

Package List: 
1 * Transmitter
1 * Receiver
2 * Mounting Bracelets
1 * User Manual(English)

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