Features: Large LCD display, multi-function. Multi-function thermometer, hygrometer, clock display. Recording max/min tempreture and humidity value automatically. 12h or 24h time display, manual one-key operation. Temperature unit C /F changeable. Replaceable cell, simple and easy. Two sides have air hole, intelligent perception of temperature. The back have bracket, keep standing and prevent shanking and falling. Desk-top placing or wall-mounted. Low energy consumption, high stability and accuracy.