Specifications: The clock has audio function, and can store 15 radio channels. It supports HD 5 meters projection without needing manually focus adjustment. Battery can ensure the memory function when the external power is off. The display brightness can be automatically adjusted according to the use of ambient light, and set brightness manually. Item Name: Alarm Clock Material: ABS, Metal Frequency Range: FM76-FM108 Volume Control Level: 0-10 Power Supply: Built-in Battery, USB Features: Digital Display, Radio, Projector, Automatic Light Adjustment USB Cable Length: 150cm/59.06" (Approx.) Size: 18cm x 4.6cm x 9.1cm/7.09" x 1.81" x 3.58" (Approx.) Notes: You will find more amazing products if you visit our store. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x Alarm Clock 1 x Cotton Bag 1 x USB Cable 1 x User Manual 1 x Battery