Door Sensor Alarm, Remote Control 300ft 120dB Wireless Door Contact Sensor Anti-Theft Door Alarms for Kids
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.
LONGER CONTROL RANG
This wireless door alarm kit comes with wireless remote control for arming, disarming, SOS and doorbell options. It makes it easier to remotely control door/window alarms up to 300 feet
MULTI-FUNCTION 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.
EXTENSIBLE& LINKANGE ALARM
You expand your home security alarm system with more alerts or remote controls, Infrared detector, door sensor, smoke detector, gas detector, emergency button.
Click the link below to buy accessories
This anti-theft door and window alarm are easy to set up. Simply install it with the double-sided tape provided. Take just a few minutes
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 Parameter
Model: KR-D121
Working voltage: 3.0V (powered by 2 AAA batteries)
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
ok
Just dont forget to remove the paper from the battery, like me, hehe
It sounds very high. Perfect for the price you have. They send it with batteries
I'm very satisfied
Great goods!
Very useless but only to ~
Great, good sound. It comes very complete. It came fast and serious and reliable store. I'll buy more. I recommend.
Excellent quality product
Works fine, oret for the whole area
Spectacular quality price. I will definitely buy again.
Good product. Seller recommended.
All good