Zilla Humidity & Temperature Gauge

An ideal choice to monitor humidity and temperature in one glance. Gauges display relative humidity from 0 - 100% and temperatures in the range from 60?F to -120?F (16?C - 49?C). The bright, easy-to-read dial mounts in seconds on the back of any terrarium wall. Affordably measure both temperature and humidity|Included suction cups for mounting inside terrarium walls|Proper heat and humidity levels are important for reptile health|Easy-to-read in a glance|No batteries required