Feature: 1. Motorized Camera Slider: Wireless remote control, remote control distance of 6m, can work on the level ground, desktop, suitable for shooting in a variety of scenes, flexible use, support three speed speed adjustment. Specification: Item Type: Motorized Camera Slider Color: As Pictures Shown Material: Aluminum Alloy Weight: Approx.730g/25.7oz Trolley Speed: First Gear Speed: 1.4cm/s Second Gear Speed: 2.4cm/s Third Gear Speed: 3.0cm/s Maximum Load: 3kg/6.6lb Maximum Continuous Use Time: 6 Hours Body Battery Charging Time: 3 Hours Continuous Working Time of Remote Control: 18 Hours Normal Use of the Remote Control: 60,000 Times Wireless Remote Control Distance: Approx. 6m/19.7ft Car Battery: Built in Lithium Battery 1800mah (with Built in Battery) Remote Control Battery: Button Battery CR2032 240mah (with Built in Battery) Package List: 1 x Trolley 1 x Phone Clip 1 x Remote Control 1 x Charging Cable 1 x Adapter Screw 1 x Rubber Ring 1 x Wrench 1 x Manual Note: Please allow 01 inch error due to manual measurement. Thanks for your understanding.