1.The metal material and smooth edges less likely to scratch the remote control strap buckle. 2.The adjustable length range of 54.7~75cm can meet the wearing needs of most people. 3.The metal clip has two screw holes, which are compatible with RC/ remote controllers with screens. 4.Highly with a 1/4 threaded base for bike mount . 5.Tripodand hanging hole for rope connection. Not easily broken, strong and . Colour:Silver+Black Material:Metal + Plastic Package Contents: 1 x buckle 1 x Drone Bike Holder 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.