Door Chime, Satisure Wireless Door Open Contact Sensor Alarm Chime with 600 FT Range 58 Chimes 5 Volume Levels LED Indicators (1 Receivers & 2 Sensors)

🔧【Easy Installation】The door chime and door sensor are already paired. The first step is to stick the sensor on the door/window (the distance between the two parts should not exceed 0.4 inches), and the second step is to plug the chime receiver into the socket. Installation is completed!
🔋【Upgraded Battery】Using household alkaline batteries, designed with ultra-low power design, our door sensor chime allows the battery to last up to 7200 times.
😀【600ft Wireless Range and Expandable Pairing】All the Satisure brand’s door entry chime and sensor alarm can be paired with each other, and one receiver/sensor can pair up to 58 sensors/receivers. With a wireless range of 600ft, it meets the needs of long-distance and multiple pairings for home, businesses, and stores.