Temperature measurement range: -50~+70 Humidity measurement range: 10%~99%RH Battery: 2032 button battery (battery not included in delivery) Temperature resolution: 0.1; Humidity measurement accuracy: 5%RH The thermometer has the functions of standing, magnetic, and hanging. Product name: Electronic Thermometer Display Type:DIGITAL Style:Standing and Wall Hanging Usage:Household Power Type:Button Battery Screw:M12 x 1.5 Display Size:2.0 - 3.9 Inches color:Grey+silver Material:plastic size:7.5 x 6.5cm Package Contents: 1 x Thermometer Hygrometer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.