Feature: 1. HIGH COMPATIBILITY: The product is equipped with an adapter screw, which can be adapted to the camera trolley, and can be externally connected to other photographic equipment, which can be applied to DSLR cameras, microslots, cell phones, DV and other equipment. 2. REMOTE REMOTE CONTROL: It can be controlled by using cell phone APP, infinitely adjustable speed, speed 0‑100% adjustable. APP's shutter button, support most of the microsingle keys to connect to take pictures, make your video creation more simple. 3. EASY TO ADJUST ANGLE: Supported at both ends, the feet can be fine tuned, easy to adjust the angle on uneven ground. Placed on a flat surface or desktop can be shot in a straight line, equivalent to a motorized slide. Adjust the angle between the two directional wheels and place it on a flat surface for 360 degree uniform rotation shooting. 4. RICH FEATURES: Support time lapse photography, customized selection of parameters, close shooting can be simultaneous recording, almost zero noise, free to choose the AB point positioning shooting, support for automatic video loop shooting, no need for frequent operation. 5. DETACHABLE TRACK: The track consists of three parts spliced together, detachable, you can independently choose the length of the track, the track has a snap, can be mounted on the car, effectively preventing the trolley from falling off the slide. 6. STURDY AND DURABLE: The trolley and the slide rail are built with aluminum alloy, anodic oxidation process makes the shiny metal surface full of texture, and it is not easy to be corrupted, with good resistance to falls. 7. LONG LASTING: Support Type C interface charging, built in lithium battery 1800MAH, rechargeable battery, battery life of 4 hours, you can shoot food, daily, still life, pushing and pulling, curves, time lapse and so on. Specification: Item Type: Video Camera Dolly Car Material: Aluminum Weight: Approx. 1689g / 59.6oz Load Bearing: Approx. 3kg / 6.6lb Endurance: About 4h Body Battery Charging Time: About 3h Battery Capacity: Lithium Battery 1800mAh (Built In) Speed: 10cm/s(Speed Adjustable, Speed 0%-100% Optional) APP Remote Control Distance: 8m / 26.2ft (No Interference, The Maximum Value) Load Bearing: Maximum Load Bearing 3KG, Support Cell Phone, Micro Single, VCR, Etc., Model Unlimited Guide Rail Threaded Hole Type: 1/4 Threaded Hole And 3/8 Threaded Hole. Package List: 1 x Camera Trolley1 x Base1 x Trolley Track Clip2 x Tripod Plate4 x Aluminum Tube2 x Hex Wrench1 x Spare rubber ring1 x Charging Cable1 x Interface Conversion Screw1 x Shrinking Screw4 x Screw Plug4 x Connector4 x Screw