Description Product Reviews CMDWS-345-NN Intrusion Detection Magnetic Contact Mini Door Window Sensor Call for Installer Pricing The Mini Door/Window Sensor is a supervised, wireless sensor that detects the opening and closing of doors or windows. New, highpowered Microchip delivers exceptional range; 360 with no “dead spots” or signal drop-offs. Patented design with an isolated antenna 1/8 above board and separated from batteries for superior RF performance and transmission efficiency. Substantially reduced interference from metal door and window frames. Reduced battery energy drawlengthens the battery life. Features: Signals: supervisory, tamper, and low battery. Dual tamper; sensor and case for added security. Effective with vertical or horizontal mount. Replaceable extra long-life batteries: 2-3VDC lithium coin-cell. Smaller and narrow switch package. Superior RF range and performance, even on steel surfaces. Patented antenne technology. 100% performance tested. Compatible with Honeywell and 2Gig 345 MHz 0 Reviews Hide Reviews Product Reviews