This is the JJC Hotshoe Protector EOS Type [JU0113] JJC SL series 2-in-1 Spirit Level Hot Shoe Protector is a mountable and efficient design centering the bubble within a circle over your hot shoe. You can easily see whether the bubble is centered, and this level takes up much less space than a large acrylic block! Your internal flash will work without removing the Hot Shoe Cover. The only time you"ll take it off is to use an external flash, and high-tolerance machining ensures it won"t slip out on its own. Features: Slides into your hot shoe, remains unobtrusive Inbuilt Pop-Up Flash still operates Rubberized surface for better handling Easier to read than see-through levels Slender design takes up very little space-- highly portable and efficient Perfect for CANON EOS digital camera that have a flash sensor on the hot shoe. ...Contact us if you need more help.