On the basis of the track, a buckle is installed on the trolley, which can effectively prevent the trolley from falling off the slide track during operation and cause damage to the photographic equipment | It is easy to carry and easy to assemble. | The electric car can bear a maximum weight of 3KG, easily compatible with micro single camera, SLR camera, action camera and mobile phone for photography. | The three parts are assembled together and can be disassembled. The length of the slide track can be chosen independently with an effective route of 62cm/24.4in. | The slider adopt CNC machining, surface anodic oxidation, durable in use. | Compatible devices: Cellphone