This cellphone holder Fixed cellphone to an astronomical telescope easily. You can use your mobile phone to record while observing, and liberate your hands. Fixed the cellphone to telescope body. 360 degree rotating phone holder: provide the maximum adjustable range Cellphone clamp with rubber lined: no need worry about your phone is scratched or damaged Mobile phone clamp clamp range: 55-85mm Material: plastic+metal colour: red+black Package Contents: 1 x Dovetail Plate 1 x Mobile phone clamp Only 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.