Convenient operation, high safety and strong ability to crossobstacle are the prominent advantages of the unlimited electricwheelchair. The wheelchair can cope with different kinds of outdoorobstacles, including stairs, safety island, mud wow, sand and soon. Whether go on the stairs or go down the stairs, the wheelchaircan opetate positive; and it can cross the obstacles does not needinfrared ray to detect the obstacles. In addition, our wheelchairis equipped with Dynamic Shark remote control, without any complexoperation and suit to more users. The patent technology “seat levelsynchronous movement” make your center of gravity has always beenconsistent with the ground, which greatly enhance the safety andsecurity of the user. 4-wheels drive can move steady and smoothlyon the mud wow and sand roadway, which grealy increase outdoortravel space; so that your travel room no long restricted to thebroad flat ground, but the kinds of nature environment you havelong dreamed of.