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Why not add this unique sensor to a alert system,it is designed to alert you , should your up & over garage door be opened.
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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