JK900 is a straight and arc photographic slider, which achieves straight and arc camera work, and is mainly designed for photographers with the goal of labor saving and photography cost reducing. It comes with an electronic five-stage speed control for selection. Wireless remote control make the photographic dolly smoothly work on the track. Before reaching the ends of both sides (about 2 cm far away), the dolly will automatically stop. Length: 1,400 mm, width: 130 mm, height: 232 mm, net weight: 7.2 kg, load: 5kg.