This is a large LED screen temperature and humidity electronic clock, made from , which is using. The indoor weather monitoring clock can automatically detect and display the current ambient humidity and temperature, allowing you to be aware if adjustments are necessary, such as thermostat or humidifier. Features - Material: Plastic. - Size: About 18.50X9.10X4.50cm/7.27X3.58X1.77inch. - Temperature measurement range: 0 degree centigrade~50 degree centigrade Error: plus or minus 1 degree centigrade. - Humidity measurement range: 20%~95% error: plus or minus 5%. - Power supply: DC5V. - Automatically detect and display the current environmental humidity and temperature. - current weather conditions based on temperature and humidity parameters. - Display projection time in the form of icons, humidity, temperature. - It's also can use as a radio, suitable for all the people. - This powerful alarm clock has multiple functions to satisfy all your needs. Package list: 1 x Projection Clock 1 x Bubble bag 1 x Manual 1 x 1.5m USB cable 1 x 2032 button battery 1 x box