Reptile Thermostat: accurate measurement of temperature and humidity in the vivariums, hatchers, brooders, propagators, make the pets' life more confortable Celsius to Fahrenheit conversion: easy to use with the conversion between Celsius and Fahrenheit Digtal Display: easy to read on a clear screen, lights up at night with the push of button, making it easier to check temperature and humidity in the night Easy to install: it can be installed everywhere you need with a sucker, and with function of 360° rotation + 90° bending Battery replaceable: it can be used for a longtime Color: Black Material: plastic Package Contents: 2 x Reptile Thermometer Hygrometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.