Features: LCD displays temperature and humidity at the same time. Embedded installation design. Specifications: Temperature range: -50~70 centigrade; Measuring humidity range: 10% RH~99% RH; Humidity accuracy: ±5%; Temperature accuracy: 1%; Humidity display resolution: 1%; RH Temperature display resolution: 1 degree; Powered by: 1 x LR44 or 2 x LR44 (not included); Material: ABS; Color: Black; LCD dimension: Approx. 35 x 17mm / 1.4 x 0.7in; Item dimension: Approx. 4.8 x 2.9 x 1.5cm / 1.9 x 1.1 x 0.6in; Item weight: Approx. 16g / 0.6oz.