• Wireless Connection :No need for complicated wiring, the sensor can be easily installed with a wireless connection.
• 120dB Loud Alarm :The alarm is loud enough to alert you in case of any security breach, ensuring your safety.
• Anti-Theft Smart Remote Control :The remote control allows you to arm and disarm the alarm from a distance, making it difficult for intruders to break in.
• 4 Alarm Modes :You can choose from 4 different alarm modes to suit your needs, ensuring that your home is secure in every situation.
Features
Alarms for doors and windows – This wireless magnetic contact sensor alarm is designed for home, office. Its compact size is ideal for installation on doors and windows, notifies you when doors or windows open.
Alarms for doors – It can be used not only for home security but also in the office as an entry reminder.
Alarms for windows – Windows also have potential safety hazards and are often overlooked. With this window alarm, it can be used to remind your child to open the window without permission and intruders to break in, to protect the safety of children and families.
Parameter
Model: KR-D121
Working voltage: 3.0V (powered by 2 AAA batteries,Not included)
Standby current: <10uA.
Working current: <80mA.
Receiving frequency: 433MHz
Alarm time: 60 seconds
Alarm volume: 120DB
Alarm output: open the door and alarm after arming, and trigger the detector to alarm after arming
Package includes
1 Sensor 1 Remote=1* Door / window sensor+ 1* Remote + 1* Double-sided tapes + 1* Instructions
2 Sensor 1 Remote=2* Door / window sensor+ 1* Remote + 2* Double-sided tapes+ 1* Instructions
1 Sensor 2 Remote=1* Door / window sensor+ 2* Remote + 1* Double-sided tapes + 1* Instructions
LOUDER ALERT
When the magnetic sensor is disconnected, the KERUI door and window alarm system will issue a loud 120dB warning to prevent theft and unnecessary access, preventing your child from sneaking out.
![](http://ae01.alicdn.com/kf/S644ae5c3ffc5461a9e1a21240e8fba64S.jpg)
LONGER CONTROL RANG
This wireless door alarm kit comes with a wireless remote control for arming, disarming, SOS and doorbell options. It makes it easier to remotely control door/window alarms up to 300 feet
![](http://ae01.alicdn.com/kf/S39847bde66b04c7e9bb66885a7a9db9fr.jpg)
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MULTI-FUCNTION ALARM SYSTEM
You can select the doorbell mode to draw attention when people enter, as a commercial doorbell when entering. With the SOS option, seniors can easily get help in an emergency. Good protection.
![](http://ae01.alicdn.com/kf/Sf36cc50bce354969b97b4a21638ecd42w.jpg)
EXTENSIBLE & LEFT ALARM
You expand your home security alarm system with more alerts or remote controls,Infrared detector, door sensor, smoke detector, gas detector, emergency button.
![](http://ae01.alicdn.com/kf/S8e5d6c722f4b4040917a3b62a285c357T.jpg)
Click the link below to buy accessories
EASY INSTALLATION
This anti-theft door and window alarm is easy to set up. Simply install it with the double-sided tape provided. Take just a few minutes
![](http://ae01.alicdn.com/kf/S98711b9b02ed40c2ab7f47417335d3131.jpg)
BATTERY REMINDER
When the battery is very low, the alarm volume will decrease and the alarm time will be shortened, reminding you to replace the battery [Not included]Technical
![](http://ae01.alicdn.com/kf/Sf48ddf9fa6f446f39a3e02dc54062eae7.jpg)
![](http://ae01.alicdn.com/kf/S236931bfd36648b2bfee7282483e3c47T.jpg)
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