1Ideal alarm clock for home, keeps you and your family's living conditions optimal. You can place the projection clock in your room, and put remote sensors to baby room , warehouse or other places need to gauge. 2The projection clock has a projection and a free rotation function of nearly 120 degrees. (Display time, temperature) The user can adjust it to the desired angle. 3The LCD panel displays the time, weather forecast, weather forecast trend, indoor and outdoor temperature, temperature trend, month, date, of the week and alarms. 48 backlight colors can be switched (white, red, orange, yellow, green, cyan, blue, purple), and the colors can be quickly cycled or fixed to one color. The projection clock provides 3 levels of brightness adjustment. 5The projection alarm clock receives the signal from the wireless remote sensor and displays the outdoor temperature on the screen. Please provide a transmission distance of 60m in an open space. Item Type: Projection Alarm Clock Material: ABS Color: Black Product Size: Approx.85x135x30mm/3.35x5.31x1.18in Weight: Approx.338g/11.9oz Indoor Temperature Detection: -9.9C~+50C (14F~122F) Outdoor Temperature Detection: -40C~+70C (-40F~158F) Output Charger: 5V, 1A Input: DC 5.0V, 1.2A Projection Clock Battery: 2 x AAA (not included) Wireless Remote Control Sensor Battery: 2 x AAA (not included) How to Use Install the required batteries (not included), and adjust the product functions you need according to the instructions in the manual. 1 x Projection Alarm Clock(Battery Not Included) 1 x Remote Control(Battery Not Included) 1 x Adapter 1 x Instruction Manual 1. Please allow 1& 8209;2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.