Features: Low power design. Ultra small exterior design. Installation is simple and convenient. Cast iron casing, durable and durable. Mainly used for roller shutter/rolling door; also applied to other doors and windows.
Installation: Stick part metallic magnet on the edge of the roller shutter/rolling door, and stick part metallic sensor on the fixed frame of roller shutter/rolling door Note: The distance of these two parts shall be less than 3-5 cm when the roller shutter/rolling door is closed.
Usage: Pull out the antenna of the transmitter. When the roller shutter/rolling door is opened from the closed position, LED will turn on red light for 5 seconds; the sensor will be triggered and will send alarming signal to the main unit.
Package Content: 1X Wireless Rolling Door Sensor(included 1* 12V 23A battery)
Note: This rolling door sensor can not work alone. It works with most alarm system in the market. Check if your alarm system support 433mhz
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