The WWA-02 Wireless Water & Temperature Alarm is a Z-Wave enabled device fully compatible with any Z-Wave enabled network.ALSO REPORTS TEMPERATURE! Wireless Water Alarm WWA-02 is the latest water sensor from FortrezZ. See below list of changes / updates from current WWA-01 Water Sensor & Freeze Alarm. WWA-01 WWA-02 - Audible Buzzer in unit - Buzzer removed - LED indicator light - Gen 1 Z-wave antenna - Z3X transiever module (better performance) - Splash resistant enclosure - Both units will maintain the same functionality for both water leak detection & freeze alarms. This product will provide you with peace of mind and the protection you expect. Water damages are caused by leaking pipes, corroded water heaters, water storage tanks, fixtures in bathrooms, laundry rooms, refrigerator drip pans etc. •Wireless Water Alarm WWA-02 is a Z-Wave enabled device and is fully compatible with any Z-Wave enabled network.