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[REMOTE CONTROL BATTERY CAN BE USED UP TO 60,000 Times]: The wireless remote control can change camera slider speed & start & pause and drive backwards; The dolly itself has control keys too; Can control effective distance 6m/19.7ft; An perfect auto dolly for time lapse/macro/low angle /360 degree video shooting.
[3 SPEED ADJUSTABLE WHEEL]: Car dolly wheel angle can make 180 degree adjustable, and 3 speeds adjustable (1.4cm/s 2.4cm/s 3.0cm/s)，you can achieve creative Curve/straight line movement with different speeds, wirelesss camera video auto dolly as well can achieve pitch shooting through ball head.
[ALUMINUM ALLOY MATERIAL,STRONG LOAD-BEARING]: Motorized trailer dolly is made of high quality material, can support up 3kg/6.6lbs load. Pocket size and lightweight, Autodolly Electric Slider just only the size of the palm of your hand, easy to carry.
[ 2 COVERTIBLE SCREW&PHONE HOLDER]1/4 inch to 3/8 inch convertible screw is suitable for most camera/smart phone holder. Motorized camera slider for Canon Nikon Sony DSLR Camera to time lapse/macro/low angle /360 Degree video shooting with Phone Holder.
[BUILT-IN BATTERY]: 3.7V 1800mAh Rechargeable Li-ion Battery (Included) can offer up to 6 hours service time.Package include：1* Auto camera dolly+1*Remote control with Battery+1*Phone Holder+1* Wheel Ring+1*Wrench+1 * USB Cable.