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