about this item [Time Projection]: This alarm clock features a rotating projection to project the time and temperature onto any wall or ceiling, and displays clear and large numbers allowing you to see from 3m away. [Multi-Information Display]: The multi-function alarm clock displays the following functions: Time, Date, Week, Dual Clock, Temperature, Humidity, one clock will meet all your needs. [Dual Alarm with Snooze] A dual alarm function allows you to set two alarms on one clock, one for you and one for your partner. The Snooze function allows for an additional 5 minutes of sleep before alerting you again. [USB Phone Charger]: After plugging in the power cord, the USB charging port can be connected to the mobile phone and other electronic devices for charging. [Two-Way Charging Options]: Power supply from the power cord (including USB charging cable, power adapter not included) or can be powered by 2x AAA batteries (not included). Product Description Color:Silver Product Function: 1. Dual alarm with snooze function. 2. Indoor temperature and humidity, alternately in °C or F. 3. USB charger allows easy charging of electronic device. 4. Free projection function and nearly 180 degree free rotation. 5. Small and simple design and large digital display make it easy to read all information from any angle. 6. 4-level backlight (Strong / Medium / Soft / Off) Specifications: Type: Projector Clock Time Format: 12 / 24H Temperature: -9 ～ + 50 ℃ / 15 122 ℉ Resolution: 1 / ℉ Humidity: 20% to 95% Resolution: 1% Backlight Brightness Levels: 4, High Bright-Medium Bright-Soft Bright-Off Snooze: 5 Minutes Powered by: 2 * AAA Batteries (Not Included) Package: 1 * Projector Clock