1、Radio: This alarm clock is equipped with FM76‑108 band radio, which can be used in most parts of the world and 15 radio channels can be stored. 2、Professional Speaker: 4Ω 3W premium speaker and professional power amplifier circuit design are used to make the sound perfectly released. 3、Dual Alarm Clock Setting: This projector adopts dual alarm clock setting, and can set two alarm modes: drip sound and radio. 4、Brightness Adjustment: LED 4 level display brightness adjustment and light sensing stepless dimming, which can be adjusted according to demand. 5、Projection Function: This alarm clock has projection function, which can project the time to the ceiling, and you can see it when you open your eyes at night. Item Type: Radio Projection Alarm Clock Material: ABS Gross Weight: 341g / 12.0oz Color: Black Body Battery Type: button battery (shipped with built in battery) Battery Model: 2032 Battery Capacity: 200mAh Number of Batteries: 1 1 x Digital Alarm Clock 1 x USB Cable 1 x English Manual