The Elk 6021 is an exceptionally thin sensor for monitoring windows. It is designed for use specifically with double hung and casement style windows.
Compatible with ELK-M1XRFTW two-way wireless transceiver
One built-in reed switch
1 X Elk 6021 Extra Slim Window Sensor
902 Mhz - 928 Mhz frequency hopping
Maximum operating gap of reed: 3/8
3.6V CR2032 lithium battery
Battery Life: 3 years typical
Size: 1.1 W x 2.3 L x .25 D, Magnet: .41 W x 2.3 L x .25 D
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