Adopted of ABS material, digital thermometer for home is practical and durable, not easy to get deformed, wear resistance, and resistance to deformation. Our wireless hygrometer thermometer for indoor is nice for measuring indoor and outdoor temperature and humidity. Features -Color:White -Material:ABS -Size:15.20X9.55X2.20cm/5.97X3.75X0.86in -Size:10.50X5.00X2.60cm/4.13X1.97X1.02in - Power supply: 3 x AAA batteries(Not included) - Measuring range: - Indoor temperature display range: -9.9 degree centigrade ~ +50 degree centigrade & 14 fahrenheit scale ~ +122 fahrenheit scale - Indoor humidity range: 20%-95% RH - Outdoor temperature display range: -40 degree centigrade ~ +60 degree centigrade & -40 fahrenheit scale ~ +140 fahrenheit scale - Outdoor humidity range: 20%-95% RH - Resolution: - Temperature display resolution: 0.1 degree centigrade & 0.1 fahrenheit scale - Humidity display resolution: 1%RH - Error: - 0 degree centigrade to 40 degree centigrade/ 32 °F to 104 °F: ±1 degree centigrade/1.8°F - -20 ~ 0 degree centigrade/40 degree centigrade ~ 65 degree centigrade/-4 fahrenheit scale ~ scale/104 fahrenheit scale ~ 149 fahrenheit scale: ±2 degree centigrade/3.6°F - 40%RH to 80%RH: ±5%RH - Manufactured with ABS materials, weather station is strong and durable, can serve you for a long time. - The hygrometer thermometer easily monitor temperature and humidity data, can be placed in multiple locations. - The LCD display digital thermometer has high accuracy and good stability, can be placed on the desktop. - Widely usages home temperature humidity monitor, can be used in your house, greenhouse, warehouse and etc. - High precision numbers, with small error, reliable and practical. Proper size, lightweight, weather thermometer is easy to carry. Package list: 4 Thermometer 4 x Launcher