Features 120 Rotatable Projection The projection clock owns a projection and nearly 120 degrees free rotation function. (Display time, temperature) Users could adjust it to the angle you like. Clear LCD Screen Premium LCD panel displays time, weather forecasting, weather forecasting trend, indoor and outdoor temperature, temperature trend, month, date, week and alarm. Color Backlight 8 backlight colors switchable (white, red, orange, yellow, green, cyan, blue, purple), and colors can quickly circulate or fix on one color. The projection clock provides 3 levels of brightness to adjust. Wireless Sensor Transmission The weather station receives signal from wireless remote sensor and displays outdoor temperature on screen. Please give 60m transmission distance in open space. Multi-functional Information The projection clock is home to calendar, time and temperature whose perpetual calendar is up to year 2099 and time in optional 12/24 hour format, C/F conversion, weather forecasting function which features 6 weather forecast symbols and 3 barometric pressure trend symbols, predicting the weather for about the next 12 hours, projection function which projects time and temperature (indoor/outdoor temp circularly displays every 5s). 90~180 rotation angels and 1~3 meters long projection distance for clear view, two alarms with snooze function which means that it has two alarms with independent switches, have snooze function, easy to enter snooze mode by press the snooze button (5-minute snooze). Two Power Supply Modes Using AC adapter or two AAA batteries ( batteries are not included ). USB Charger: with 5V 1A USB output port on side to provide handheld mobile devices charging. Specifications: Type: Projection Double Alarm Clock Material: ABS Quantity: 1pc Color: Black Mode: American/European Indoor Temperature Detection: -9.9 C ~ +50 C (14 F ~ 122 F) Outdoor Temperature Detection: -40 C ~ +70 C (-40 F ~ 158 F) Output Charger: 5V, 1A Input: DC 5.0V, 1.2A Power Supply: 2*AAA Battery / DC 5.0V Power Supply Clock Size: 13.5*8.0*4.0cm/5.3*3.1*1.6 (L*W*H) Net Weight: 186.0g/6.6oz Package: 1* Projection Clock (without battery) 1* USB Power Cord 1* English Manual