Multi-functional weather station clock brings much convenience for your daily life. With this item, you can know outdoor temperature and humidity from the indoor receiver easily. Please note that the outdoor transmitter is not waterproof, keep it from water when put it outdoors. 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. - The product uses high-performance radio modules, and the audio frequency range is FM76MHZ-108MHZ, which can meet the needs of most countries in the world. - The radio has the functions of automatic search, automatic lock, and automatic storage. - The number of storage stations is unlimited, and the operation is simple and convenient. - The user-friendly design of the radio can be set to automatically turn off time, the setting time is 5-90 minutes, and the radio can be turned off according to the setting. - Large-screen LED display, the brightness can be manually adjusted. 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