The thermometer is minitype, high-definition LCD digital screen, multi-function thermometer, hygrometer, clock display. Smart chip, both sides have air hole for temperature perception, fast and accurate reaction. Features: Large LCD display, multi-function.< br> Multi-function thermometer, hygrometer, clock display. Automatic record of max/min temperature and humidity value. 12h or 24h time display, manual one-key operation. C/F temperature unit changeable. Replaceable cell, simple and easy. Both sides have air hole, intelligent temperature perception. The back has a stand, stays upright and prevents rod and fall Desktop placement or wall mounted. Low power consumption, high stability and precision. Features: Model: HTC-1S, HTC-1 (optional) White color Temperature range: indoor and outdoor -50~+70 (-58~+158F) Temperature range: Humidity: 10%~99% RH Cel lule: 1 * AAA battery, 1.5V 750mAh (included) Package weight: 130g / 4.59ounces 150g / 5.29ounces Package size: 105* 98*20mm/4.13*3.86*0.79in 173*158*35mm/6.81*6.22*1.38in List of packing: 1*thermometer