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SanJie Door Alarms for Home Security Window Alarm Sensors
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
This door alarm is designed to alert you when a door or window is opened with 0-120DB alarm or ding-dong sound.It has 4 working modes and 4 volume levels that will alert you when a door or window is open, and you can adjust the volume to suit your needs.
Pool Door Alarm
Door Alarms for Kids Safety
Prevent your child from entering the pool without your knowledge.
Door Sensor Alarm
Door Security Alarm
Protecting the safety of your property.
Door Alarms
“ding-dong” for entry welcome
You can use this door alarm in a store to alert you when a customer enters.
Door Ajar Alarm
Notice for Your Pets
Remind you when your pet goes out or comes back in.
Window Alarms
Door Alarms for Kids Safety
Prevent your child from opening a door or window to get out without your knowledge.
1 Pool
2 Caravans
3 Store
4 Pet
5 Window
Instant Alarm
It alarms when door opens,it stops alarm when door closed.For Home/Kids Safety/Dementia Patients/Pet
Entry Alert
After the door is opened, the sensor makes a “ding-dong”beep then stops.For businesses,store,offices
Closing Reminder
When the door is opened , the sensor emits “dididi…”sound every 10 seconds until door is closed.
Instruder Alarm
Alarm will last for 1 minute if your door is being open.Scaring Away Thieves/Anti-theft alerts
Door Open Alarm Window Alarms for Home Security
1 Instant Alarm 2 Entry Alert 3 Closing Reminder 4 Instruder Alarm

Window and Door Alarms for Home
Features:Loud alarm, Added security, Easy to Use , Easy to Install, Quick Response, Real-time Alarm, Long Batteries Life, Multi Purpose Application, Compact DesignFunction:Keep Kids Safe, Keep The Elderly Safe, Pet Out Reminder, Home Security, Alzheimers Door AlarmWhere to Use: Window, Door, Sliding Door, Freezer, Refrigerator, House, Apartment, Pool, Office, Store
Door Alarms for Dementia Patients/Kids Safety/Home Security 
Door Window Alarm—Easy to Install 
SanJie Product-Door Alarm & Caregiver Pager
Add to Cart
Customer Reviews
4.1 out of 5 stars 39
3.8 out of 5 stars 15
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4.0 out of 5 stars 22
4.3 out of 5 stars 62
3.6 out of 5 stars 44
3.9 out of 5 stars 59
Price
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$41.39$41.39
Color
White
White
Black & White
White
White
Black
Black & White
Range
1000Ft/300m
800Ft/240m
Remote Range: 65Ft/20m
1000Ft/300m
1000Ft/300m
800Ft/240m
Button and Hub:500Ft/150m
Feature
Quick Response
Compact Design
Remote Control
Motion Sensor
Vibration + Color Flash
Number Display
WIFI,Number Display
Ringtone
4 Ringtone
26 Ringtone
4 Working Modes
30 Ringtone
4 Ringtone
55 Ringtone
12 Ringtone+Phone Alert
How to use
Use of batteries
Plug to use
Use of batteries
Use of batteries/Plug to use
Use of batteries
Plug to use
Plug to use
[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.
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