Standalone Home Alarm System Security Wireless Loud Door Alarm Alone Sensor Loud

Description

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 Package Include: 2x D121 Door Alarm Sensor 1x Remote Control
Door Sensor Alarm, Remote Control 300ft 120dB Louder Alert Wireless Door Contact Sensor Anti-Theft Door Alarms
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--
If you choose the kit comes with
the 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.
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
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
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
Package Include:
1x D121 Door Alarm Sensor
1x Remote Control