SanJie Adjustable Volume Door Alarm Sensor for Home Security & Child Safety, 120dB Burglar Alarm with 4 Modes - Wireless Window & Entry Alert for Pool, Office, Shop, Business

[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. Backed by our lifetime warranty, if you experience any quality issues with your SanJie Door Alarm or have concerns about its performance, feel free to contact us via Amazon at any time. SanJie Window and Door Alarms for Home

This door alarm is designed to alert you when a door or window is opened with 0-120DB alarm or ding-dong sound.
It’ s a perfect door alarm for kids' safety, anti-theft, home and business’ security.

Loud enough sound not only creates a warning to thieves or intruders, but also wakes you up.
It can be used not only to keep your family safe, but also to alert forgetful seniors that doors and windows are not closed.
It's also ideal for preventing your children from opening doors or windows to get out without your knowledge.
It can even alert you when a sleepwalker opens a door or window in time to prevent an accident.
Of course, you can use this door alarm in a store to alert you when a customer enters.
Use it in the office to alert you when a colleague or partner is visiting.

Door and window alarm sensors have 4 working modes

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 Mode
Rings “Ding dong” once as a welcome tone.
3.Door Closing Reminder
Emits "bibi" sound every 10 seconds to remind you by repeated sound until the door is closed.
4.Instrude Alarm Mode
Alarm will last for 1 minute if your door is being open.

Uses:door alarms for home security, door alarms for kids safety, door alarms for dementia patients, window alarm sensors, garage door alarm , etc.
Door and window alarms are perfect for bedrooms, hotels, garages, apartments, sleeping rooms, stores, offices, windows, doors, balconies, sliding glass doors, etc.

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