[DETAIL] Note that the product is shipped without batteries! E828S lights need to be turned on to be bright E0828S turns off the backlight automatically after a few seconds E0828/E0828S�� Temperature measurement range: -50-70�� (-58-150�H) Humidity measurement range: 10%RH-99%RH Temperature measurement accuracy: ��1�� Humidity measurement accuracy: ��5%RH Product size: 88.7x78x21.8mm E0828A�� Material: ABS Indoor Temperature: -50 ~+70 Centigrade (-58~+158 F) temperature measuring Accuracy: ��1��(1.8F) Outdoor Temperature: -50~+70 Centigrade (-58~+158 F) temperature Resolution: ��0.1��(0.2F) Indoor Humidity: 10%RH~99%RH Humidity measuring Accuracy: ��10%RH Use Battery: 1 * 1.5V (AAA) Battery (Not included) Product size: 88.7x78x21.8mm [ATTRIBUTES] - Battery Included: No - Hign-concerned Chemical: None - Measure Type: J - Battery Included: No - Hign-concerned Chemical: None - Measure Type: J - Screw: M12*1.5 - Cable Length: 1m - Type: K - Theory: Thermometer Hygrometer - Display Type: DIGITAL - Power Type: Aaa Battery - Certification: CE - Model Number: E0828 - Origin: Mainland China - Max Measuring Temperature: 50��C - 69��C - Style: Standing and Wall Hanging - Brand Name: thinkingleader - Is Smart Device: No - Use: Household - Display Size: 2.0 - 3.9 Inches