ROLLER DOOR SENSOR – 433MHZ

Features:

caution: the battery not inside it .
Working distance: 100m (Open field)
Decode: Fixed code by pins
Alarm time: 5 seconds
Material: aluminium alloy
Battery: 23A-12V battery (not included)
Indication of low battery

Application:
Mainly used for roller shutter/rolling door; also applied to other doors and windows
Usages:

Pull out the antenna of the transmitter.
When the roller shutter/rolling door is opened from the closed position, LED 1 will turn on red light for 5 seconds; the sensor will be triggered and will send alarming signal to the main unit.
Indication of low battery: When the voltage of battery is less than 7.5V, LED 2 will straightly turn on red light. At this time, you must immediately change the battery.

Package: 1*Magnetic sensor +1*magnetic bar+1*transmitter+4*screws

How to install: