Visonic Ltd. announced the released the MCT-427 wireless smoke and heat detector, which is compatible with Visonic’s PowerMax® family. MCT-427 features a significantly extended battery life of up to eight years, enabling easy and low-cost maintenance. Tthe MCT-427 monitors temperature changes and activates an alarm when the temperature reaches 122 deg. F and starts increasing rapidly. As a fully supervised wireless detector, the MCT-427 emits visual and voice warnings and the control panel instantly forwards the alert to a central station and/or private phone number.