Door Alarms for Kids Safety Home Security Volume Ajustable Door Open Alarm Sensor Window Alarm 0-120 dB with 4 Modes Open Alarm/Close/Dingdong/Reminder Burglar Alarm for Pool Office Business Shop

[Volume Adjustable Door Alarm] This door alarm is used to alert you when a door or window is opened by 0-120DB alarm or ding-dong sound. It has 4 working modes, it prevents your children from sneaking out, it can be used as a doorbell for people with dementia patients and it is a perfect wireless home security alarm system for kids safety, burglary, home security, garage,and business security.
[4 Working Modes Available] #1 Instant Alarm(It will alarm loudly if the door is open, and it will stop as soon as your door is closed) #2 Entry Alert (Rings“Ding dong” once as a welcome tone ) #3 Door Closing Reminder(Emits “didi”sound every 10 seconds to remind you by repeated sound until the door is closed). #4 Instruder Alarm (Alarm will last for 1 minute if your door is being open)
[Easy to Install] This door alarm comes with double-sided adhesive and screw bag, you just need to peel off the sticker and install it on the door and door frame,or use the screw to mount on the door,remember to keep them less than 0.6in apart and on the same plane, and it will work fine.
[Easy to Use] This door alarm system is very easy to use, you just need to press th ON/OFF button to turn on the door alarm,press the volume button to adjust the volume, press the set key choose the working mode by the “bibi” sound, after the mode is selected,it will work well,our manual have detailed instructions to guide you to use our door alarm sensors.
[Satisfactory After-Sales Service] We provide 30 days return and exchange service. If there is any quality problem with SanJie DOOR ALARM, please feel free to contact us, we will try our best to solve the problem for you and bring you a good shopping experience.( Log in Amazon account>find the order>click “Get help with order”>choose specific subject>click Ask Seller)