This spirit level is designed to slide into the hot shoe of a camera and allows the photographer to level the camera in two axes.It is designed to work in both portrait and landscape.These levels are very useful for getting better results with multiple frame panoramic images, or for ensuring a level horizon on single frame shots.High quality made level which gives accurate and repeatable results.Small enough to fit camera bag pouches.Lightweight, non-fragile design.Horizontal & vertical.Clear & visible.size:About 33x18x18mmMaterial:plasticcolour:greenPackage Contents:4 * spirit levelOnly the above package content, other products are not included.Note: Light reflection 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.