Three Axis & Two Axis Hot Shoe Level - The camera bubble level is ideal for landscapes and architectural photography. The hot shoe bubble spirit level allows positioning of horizontal and vertical axis simultaneously. The 2-axis form factor ensures your levels are easy to read at all times. Innovative circular design takes up less space and helps protect your camera hot shoe, preventing scratches, impacts, moisture, dust, and keeping it clean. Super easy to use - simply slides into the camera hot shoe. Refer to the second image to see how to use the hot shoe cover. (Mind the install direction.) Color: Black + Green Material: Plastic Package Contents: 1 set x 4 pieces 3D level, 2D level, and hot shoe level Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm.