Description: digital , LCD display, can put anywhere in reptile and aquarium and guage temperture and humidity . Indoor temperature measuring range: -10°C - C ( 14 - 122); Outdoor temperature range: -50 - 70°C (-58 - F); Humidity measuring range: 10% - 95%RH . 2 Modes of displaying Indoor temperature, for manual setting or /°C switching with buttons; Powered by 1x AAA battery(not include) Tabletop, wall-mountable and -mountable design allowing you to conveniently attach or place your digital hygrometer wherever you desire . Also great reptiles breeding brooder temperature meter, like , , beared dragon, spider . Specification: Material: ABS Plastic Color: Black Size: 62x22x62mm/2.44x0.87x2.44inch Temperature Measurement Range: -50 - 70°C Measurement Error: ± Resolution: 0.1 Product Size: 63.2x63.2x25mm Working Principle: Thermistor Converts Temperature Display Package Includes: 1 Piece Digital Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful line shopping!