YELANGU Motorized Camera Slider with 3 Wheels 3 Gears Speed Camera Electric Motor Track Slider Item Type: Motorized Camera Slider Weight: Approx.726g / 25.6oz Material: Aluminum Alloy Car Speed: One Gear Speed: 1.4cm/s Two Gear Speed: 2.4cm/s Three Gear Speed: 3.0cm/s Maximum Load Bearing Capacity: Approx.3kg / 236.2oz Wireless Remote Control Distance: Approx.6m / 236.2in Maximum Continuous Use Time: 6 Hours Battery Charging Time: 3 Hours Remote Control Duration: 18 Hours Normal Use Of Remote Control: 60,000 Times Car Battery: Built In Lithium Battery 1800mAh (Delivered With Built In Battery) Remote Control Battery: Button Battery CR2032 240mAh (Delivered With Built In Battery)