This product is a crawler electronic temperature and humidity meter with built-in probe. With small size, beautiful and practical, accurate measurement, convenient for the use of smaller feeding space, every 5 seconds refresh data, at any time to monitor the feeding environment. Suitable for all kinds of reptiles such as: spiders, scorpions, horned frogs, lizards, chameleons, tortoises, snakes and so on. _x000D_ _x000D_ _x000D_ Features: _x000D_ This product is a crawler electronic temperature and humidity meter with built-in probe. _x000D_ The digital display give a Humidity reading as a RH% and the temperature is displayed in _x000D_ Can be used in reptile vivariums, home/office, Sheds, Greenhouse, Grow room or anywhere else you want to monitor the environment. _x000D_ Every 5 seconds refresh data, at any time to monitor the feeding environment. _x000D_ With small size, beautiful and practical, accurate measurement, convenient for the use of smaller feeding space _x000D_ _x000D_ _x000D_ Specification: _x000D_ Temperature test accuracy:1.0 _x000D_ Temperature sampling cycle: 2 seconds _x000D_ Relative humidity test range: 10%-99% _x000D_ Humidity display resolution: 1% _x000D_ Humidity testing accuracy:5% (under the room temperature is 25) _x000D_ Temperature: - 50 to 60(measure temperature below -50, display L O;measure temperature higher 60,display H I _x000D_ Display resolution: _x000D_ Display mode: LCD (three and a half) _x000D_ Power consumption: 5 milliwatts under working condition _x000D_ Battery: 2 x 1.5v LR44 button battery (not included) _x000D_ Temperature measuring accuracy:1 _x000D_ Size:47*27*13mm/1.9*1.1*0.5in _x000D_ Weight: Approx.20g/0.7oz _x000D_ _x000D_ Package list: _x000D_ 1 x Temperature Humidity Meter