Sanjie Wireless Door Alarms When Opened Kids Safety,5 Pack,Easy Installation,Window and Door Alarms for Home Security/Sliding/Pool,Entry Alarm Sensor

【Protected and Reliable】wireless door alarm sensors for home security,the distance between the alarms is more than 0.6 in, the alarm will sound immediately.Better protect your children and property safety.
【Easy Installation】Open the package to install the wireless alarm in the location you need, you’ll be able to use it immediately, in the guise of a guard to offer protection to your safety.
【Free choice】There are 3 modes to choose between, 1-2 is volume differentiation, 110dB-70dB respectively, and the 3rd is short alarm duration, you’ll be able to set the alarm mode according to your needs.
【Low Battery Alert】You don’t wish to worry about whether it’s going to stop working when it runs out of battery without your knowledge, the alarm will remind you that it is time to change the battery when it runs out of battery.
【After-sales protection】All customers who have purchased the product can enjoy the right to lifetime after-sales protection, if you encounter problems in using the process please contact us immediately, we can reply to you within 24 hours to help you solve the problem!