REPTI ZOO Digital Alarm Thermo-hygrometer is a functional and practical tool for feeding reptile small animal pets etc, it can detect the real-time temperature and humidity precisely. Comes with probe, it can be usedinside of reptile terrariums. It can alarm when the temperature or humid is over the highest value setting. With the powerful suction cup and Two mounted methods, it can be installed on the sides or back of most terrariums, vivariums, brooders, propagators etc.