General description This 180° Projection Alarm Clock is designed for bedrooms, featuring a digital LED display that shows temperature and humidity. The projector allows for a clear time display on the wall or ceiling, with adjustable brightness settings for optimal visibility. Technical specifications Projection distance: 0.5-5m Brightness levels: 4 FM radio frequency range: 76.0MHz-108.0MHz Dimensions: 18.5 x 4.5 x 9.1 cm Material: Plastic Power source: AC power with built-in backup battery Measurement allowed error: +/- 1-3 cm Usage Listen to 15 FM radio stations with adjustable volume levels. Set dual alarms to wake up at different times. Use the snooze function for extra sleep before the alarm sounds again. Utilize the sleep timer to automatically turn off the radio after a specified time (up to 90 minutes). Other information Package Contents: 1 Alarm Clock, 1 USB data cable. Note: Light and different displays may cause the color of the item in the picture to differ slightly from