Product size: 43 * 42 * 13 cm Battery use: 2032 * 1 button battery Product net weight: 21g Gross / net weight: 10.38 / 10 kg Placement: placement / hanging / strong paste Temperature measurement range: -9.9-50 (℃) Temperature resolution: 0.1 Temperature measurement accuracy: ± 1 ℃ 【Air display】 The smiling face can accurately accompany the humidity and temperature comfort at home. Help you observe the changes in temperature and humidity at home. It is an ideal choice for life. / 【Easy to install】It can be placed on a table or shelf, or fixed to the wall with wall stickers, or threaded through the hole that hangs the thermometer and hygrometer, and then on hanging nail notes. not fine lines). 【Widely used】The thermometer-hygrometer can be used in home, office, car, laboratory, aquaculture, etc. Can be used with humidifiers, heaters, thermostats and air conditioners, etc. Product Feature: 1. The thermometer can measure indoor temperature and outdoor humidity. 2. Easy-to-read guidelines