This is a large LED screen temperature and humidity electronic clock, made from , which is durable using. The indoor weather monitoring clock can automatically detect and display the ambient humidity and temperature. Features - Color: Black. - Material: Plastic. - Size: About 16.00X11.00X3.00cm/6.29X4.32X1.18inch. - Note: not battery. - Automatically detect and display the environmental humidity and temperature. - weather conditions based on temperature and humidity parameters. - Display projection time in the form of icons, humidity, temperature. - It's also can use as an alarm clock, suitable for all the people. - This powerful alarm clock has multiple functions to satisfy all your needs. Specification - Indoor temperature display range: 0 degree centigrade~+50 degree centigrade & +14 fahrenheit scale~+122 fahrenheit scale, display resolution: 0.1 degree centigrade & fahrenheit scale. - Indoor humidity display range: 20%RH~95%RH, display resolution: 1%RH. - Outdoor temperature display range: -20 degree centigrade~+70 degree centigrade & -4 fahrenheit scale~+158 fahrenheit scale, display resolution: 0.1 degree centigrade & fahrenheit scale. - Outdoor humidity display range: 20%RH~95%RH, display resolution: 1%RH. Package list: 1 Clock 1 x USB Cable 1 1 x manual