Installation Guide

Contact Sensor

Note: The gap between the sensor and magnet must be approx. less than

1cm when entry way is closed.

These contact sensors contain (1)23A 12V

Alkaline battery. When the battery expires, it

must be disposed of properly. Please contact

your local waste disposal authority for correct

procedure.

Battery replacement

1. Open the battery chamber cover on the top

of contact sensors.

2. Replace the old battery with a new battery

as same speciﬁcation making sure the polarity

is correct.

3. Reposition the battery cover tightly.

Use the double sided tape to ﬁx your Contact Sensor to

the desired door or window.

The sensor and magnet must be installed as shown

below so the alignment between the two parts is

seperated upon entry.

3.Install

Do NOT put the battery into ﬁre.

< 1cm