Feature: 1. Automatic Temperature Prediction: Easy to use, can automatically predict the change of indoor temperature to outdoor temperature. 2. Projection Function: The alarm clock is projected on the wall in a soft red color and the view is very clear, and will not disturb sleep. 3. Backlit LCD Screen: With sleep function, 12/24 hours, date and week are displayed on the backlit LCD screen of the alarm clock. 4. 4 Brightness Modes: The backlit can be adjusted in four brightness modes: high, medium, low, and off, which can be used for a long time. 5. Charge: Using sophisticated production technology, the 5V USB output interface of the alarm clock can charge mobile phones. Specification: Item Type: Projection Alarm Clock Material: Plastic Product Size: Approx. 13.5 x 8 x 3cm / 5.3 x 3.1 x 1.2in Weight: Approx. 250g / 8.8oz Battery Parameters: 2 AAA Batteries (Batteries Not Included) Applicable Places: Living Room, Bedroom, Study Room, Office, Kitchen Features: (1) Support USB to Charge Mobile Phones (2) Projection and Nearly 180 Degree Free Rotation Function (Display Time, Temperature) (3) Dual Alarm Clock Function, the Volume Rises Slowly (4) 5 Minute Sleep Function (5) Time System 12HR/24HR (6) Time, Date and Day of the Week Display (DCF: the Week is Displayed in 7 Languages) (7) Dual Alarm Time and Date, Temperature and Humidity Can Be Switched with One Button (8) Temperature Detection: -9℃ to +50℃, Resolution 1℃/℉ Humidity Detection: 20% to 95%, Resolution 1% Temperature and Humidity Calibration Time: 30 Seconds (9) Backlit DC Power Supply: the Backlit is 4 Levels (High Light, Medium Light, Low Light, No Light) Battery Power Supply: Highlight, Light Up 8s (10) Projection Lamp DC Power Supply: Always on (When RCC is Receiving, It is Synchronized with the Backlit) Battery Power Supply: Light Up 8s . Package List: 1 x Projection Alarm Clock (Batteries Not Included)1 x USB Cable1 x English User Manual