The reptile thermometer and hygrometer can quickly respond to temperature and humidity levels, displaying accurate readings on the LCD screen. It utilizes advanced sensors to ensure accuracy and stability, with a temperature range of 14°F ~ 122°F (+/- 2°F) and a humidity range of 20% RH ~ 99% RH (+/- 5%). Installation is easy with the included suction cup, allowing for adjustable angles. It can be used in terrariums, reptile tanks, incubators, brooders, cigar humidors, greenhouses, and both indoor and outdoor environments. Two long-lasting batteries are included, with an extra battery provided for standby. We offer a 12-month quality guarantee and are available for assistance within 24 hours if you have any questions or concerns.