> Unique curved LED screen--Provide a wider field of view
> Large and clear number--Friendly for older and myopia
> Screen display brightness options--Brightness can be adjusted from 0 to 100% easily using the dial on the back of the clock
> Four-digit time display--Hour, minute (12/24 hour system)
> Swivel projector：-90°-90°
> Best projection distance ：1.64 - 10 ft
> Projection Flip: 180° reversible display
> Projection brightness options--3 levels（Bright, medium and dark）
→The clock has a built-in button battery. it just could keep time memory when power off, couldn't support the digital clock light up. Saving your time to reset.
→Projection display can be flipped either way by long pressing down the button that changes the projector brightness.