Three Axis & Two Axis Hot Shoe Level-The camera bubble level is idea for landscapes and architectural photography,the hot shoe bubble spirit level allows positioning of horizontal and vertical axis simultaneously.2 axis form factor ensures your levels are easy to read at all times. Innovative circular design takes up less space and help protect your camera hot shoe,prevent scratches,hits,moisture,dust and keep clean. Super Easy to Use-simply slides into the camera hot shoe.Find the second image to show how to use the hot shoe cover.(Mind the install direction.) Color:black+green material:plastic Package Contents: 1 set * 4 pieces 3D level,2D level and hot shoe level Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.