• Enclosure: 4.75 in. x 2.25 in. (Diameter x Depth) Black, ABS plastic base with slip-resistant feet and 3 x AAA battery housing for optional audible message on button press Red, ABS plastic, spring-loaded push button
• Electronic Signaling: Battery-powered filter circuit with integrated 319.5 MHz (crystal-controlled) Interlogix-compatible transmitter with 64-minute supervisory interval
• Sensing Interface: Filtered, normally open (i.e. when not pressed), momentary contact switch
• Battery Life: Replaceable 3x AAA battery: 2+ years

The Inovonics single input universal transmitter with EOL protection is a universal transmitter with an end of line resistor. The included 2.2k ohm resistor is required to operate the EN1210EOL.

Features:

• Mounting bracket included for quick and easy installation
• Can be used with almost any standard NO/NC contact
• Fully supervised
• Includes case tamper protection