Embedded Digital Thermometer And Hygrometer With Probe $ 4.98 Product information: LCD display Dimensions 4828.615.2mm (the measurement has a small error) LCD size: 35.7*16.8mm (the measurement has a small error) Humidity display Humidity measurement range 10%99% Humidity display resolution 1% The humidity sampling cycle is 10 seconds (1 minute) Humidity measurement accuracy 5% Rated voltage DC1.5v (2 LR44 button batteries) Temperature measurement range -50 to 70 Temperature measurement accuracy 1 (under normal temperature) Line length 1.5 meters Battery installation Flip to the back of the product; Push open the battery cover in the direction indicated by the arrow; Packing list : Thermometer *1 Product picture: