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ELK 6021 Wireless Mini Window SensorThe Elk 6021 is an exceptionally thin sensor for monitoring windows. It is designed for use specifically with double hung and casement style windows. ELK 6021 Features Compatible with ELK-M1XRFTW two-way wireless transceiver One built-in reed switch ELK 6021 Specifications 902 Mhz - 928 Mhz frequency hopping Maximum operating gap of reed: 3/8 Max. recommended mounting distance from receiver: 100 ft. 3V CR2032 lithium battery Battery Life: 3 years typical Size: 1.1W x 2.3L x .25D, Magnet: .41W x 2.3L x .25D ELK 6021 Includes1 X Elk 6021 Extra Slim Window SensorELK 6021 Support Elk 6021 Instructions
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🇺🇸 Ship from USA · On Agora since 2025
$85.50