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These door & window contacts are a welcome addition to your alert system, they can be located on any vulnerable door or window and will alert you to any unauthorized entry.
Simple powered by a lithium 3volt battery.
With a working radio range of up to 100 meters.
Full 1-years UK warranty.
Working frequency is 433 MHz
Phone & Postal orders welcome.
Specification:
Dimensions: 80mm x 35mm x 20mm
Weight: 30g
Power Supply: 3v Lithium battery
Working Frequency: 433Mhz
Working Radio range: 100 meters (line of sight)
Battery Life: 1 yr
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