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Security Sensors KERUI

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Specifications Brand KERUIModel KR D121Working voltage 3 0V powered by 2 AAA batteries Standby current 10uA Working current 80mA Receiving frequency 433MHzAlarm time 60 secondsAlarm volume 120DBAlarm output open the door and alarm after arming and trigger the detector to alarm after armingFeatures 1 Loud Alarm This windowdoor Alarm will emit a high volume alarm of 120dB when the two part magnetic sensors are separated It can let you know someone is entering or outing so it s a perfect windowdoor alarm for kids safety home security apartment security2 4 Alarm Modes It includes 4 alarm modes you can press the SET button to set the alarm mode what you like 1 intruder alarm …
$16.99
Banggood.com
Delivery: in USA
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