Profile: Lasershield Systems, Inc. is a provider of commercial and residential security systems. Our product line includes Lasershield Pro wireless glass break detector, smoke detector, yard signs, wireless motion, flood & carbon detector, wireless window/door sensor and wireless sirens. Our wireless window/door sensor is a fully supervised magnetic contact transmitter, designed primarily for protecting doors & windows using a built-in magnetic contact that operates in conjunction with a magnet to detect the opening and closure of a door or window.