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Universal 3-Zone Sensor


This universal sensor has 1 built-in reed switch plus 2 external zone inputs (closed or open circuit) which allows it to secure up to 3 doors, windows, etc. It also features Elk’s industry leading two-way technology.


• Compatible with ELK-M1XRFTW two-way wireless transceiver
• Zones: Built-in reed, IN1, and IN3 (closed or open circuit terminals)
• Front and back tamper option


• 902 Mhz - 928 Mhz frequency hopping
• Maximum operating gap of reed: 1/2”
• 3V CR123A lithium battery
• Battery Life: 7 years typical
• Size: 1.5”W x 3”L x .9”D, Magnet: .57”W x 1.5”L x .6”D

For more information, call ELK at (800) 797-9355.  To locate an ELK authorized distributor near you, click here.