Wireless door chime is great for retail store， shops， business， salons， front / back / side door， etc. Attach this infrared alarm anywhere you want and instantly know when someone crosses the beam.

Description:

• Infrared sensor detects motion and sends a signal to the receiver
• Wireless installation， just place the sensor at the entrance
• Receiver requires 2x AA batteries， transmitter requires 1x 9V battery (batteries not included)
• Send audible chime sound， alerting you that somebody is approaching (Note: only one music type sound， no changing )
• Working Range: Up to 100 meters / 328 feet between receiver and transmitter
• Transmitter Size (L x W x H): Approx. 3.5 x 2.4 x 1.8 inch
• Receiver Size (L x W x H): Approx. 3.5 x 2.6 x 1 inch
• Receiver Switch Setting: High / low volume / off
• Material: Plastic
• Color: White

Good quality， Best price， Easy transaction， Excellent buying experience. Buy today， and you will get the following item.

• 1x Transmitter
• 1x Receiver
• 2x Mounting Bracelets
• 1x Manual