Feature

●Customized Door Sensor Chime: The wireless door chime offer 58 kinds of music prompt tone, and 5 adjustable volume（0-110dB), so you can set up a comfortable music tone and vilume for your home. additional LED indicators can provide visual warning effects for the hearing impaired
●Easy to Install: No tools needed for installation, the door alarm receiver plug-in socket and Peel off the door sensor back tape and attach it to the door
●Perfect Alert Chime for your business and Home: This wireless door open chime working range up to 160ft, provide welcome ring for your store or alerts security alarm when your children open the home door and help deter break-ins
●Long Time to Usage: Door sensor chime alert system upgrade with AA battery (not included), battery life can last for more than 15,000 times and it is durable enough for your daily use
●2 modes: Doorbell chime upgrade configuration, the dial code is on the left, door opens, trigger the doorbell to ring once; the dial code is on the right, when the door closed, trigger the doorbell to ring

[White-1 Sensor + 1 Receiver]