Product Description Product Size: Height 10.5Cm* Width 14.5Cm* Thickness 6Cm 1. The Alarm Sound Is Small 2. When Using Dry Batteries, The Display Cannot Be Always On. When The Light Is Off, The Display Is Black And Difficult To See. When Using The Power Supply, The Display Is Always On. 3. The Time Has No Memory Function, And The Time Needs To Be Reset After The Power Is Turned Off. 4. Compared With Professional Thermo-Hygrometers, There Are Errors. The Weather Forecast Is For Reference Only. 180° Super Bright Projection Alarm Clock The Digital Projection Alarm Clock Is Designed With A 180° Adjustable Angle, The Super Bright Red Light Projection Time Is On The Wall Or Ceiling At A Distance Of 2-3M, When You Wake Up At Night, You Can Easily Check The Time On The Wall/Ceiling Just By Opening Your Eyes, No Need To Find And Open Your Phone! Versatile And 12/24 Hour Settings In Addition To The Alarm Clock Function, You Can Also Know The Time, Room Temperature, Date, Day Of The Week, Month On This Multifunctional Projection Clock, Support Setting 12/24 Hours, With Backlight, You Can Easily See On The Led Screen Even At Night Time. Color Led Backlit Display The Watch Has A Color Screen That Shows The Time. It Also Has An Alarm Function So You Never Lose Your Rhythm, With Repeat Mode. Energy Saving When The Digital Clock Is Powered By Battery, Pressing The Snz/Light Button Backlight And Projection Will Remain For 8 Seconds. Backlight And Projection Are Always On When Powered By External Power. The Product Does Not Come With A Power Supply Notice: Using Batteries Will Consume More Power, Use 2 Aa Batteries On Battery, Projection Time And Screen Will Automatically Disappear For A Few Seconds Press The Switch Again, It Will Light Up For A Few Seconds And Then Disappear 5V Converter Is Required For Power Supply, The Product Itself Does Not Come With With The Power Supply, The Screen And Projection Will Continue All The Time And Cannot Be Turned Off The Battery And Power Supply Cannot Be Used At The Same Time, Otherwise The Alarm Clock Will Be Damaged Using Batteries, It Is Recommended Not To Use (Alkaline Batteries),