Built-in 1800mAh rechargeable li-ion battery can offer up to 6hrs service time; With USB charging port and charging cable, 4 light indicators showing charging status(red-green), battery power(flashing) and speed(normal on). 1/4 inch to 3/8 inch convertible screw is suitable for most camera/smartphone holder; you can also use the included ballhead with this dolly to achieve more flexible and more stable usage. The wireless remote control can change speed & direction & make a pause, effective distance 6m/19.7ft; the dolly itself has control keys too. The body is made of high quality plastic material, can support up 3kg/6.6lbs load, pocket size and lightweight, easy to carry. Upgraded motorized camera dolly with scale indication, 3 levels of adjustable speed (2.4cm/s 2.6cm/s 2.8cm/s); support move to the opposite direction; 180°adjustable wheel angle, you can achieve creative circle route/straight line movement. An perfect auto dolly for time lapse/macro/low angle video shooting.

Maximum Weight Recommendation: 6.6 Pounds. Item Dimensions LxWxH: 4.8 x 4.2 x 1.5 inches. Compatible Devices: Camera. Brand: Andoer. Manufacturer: Andoer. Date First Available: July 28, 2019. Best Sellers Rank: #190,578 in Electronics. Customer Reviews: 4.3 out of 5 stars 220 ratings 4.3 out of 5 stars. Batteries: 1 Lithium Polymer batteries required. : B07VP3CGKW. Item Weight: 1.45 pounds. Product Dimensions: 4.8 x 4.2 x 1.5 inches.