model: automatic golf trolley FM001 motor: 12V180W x2 battery: 12V33AH lead acid stopping distance: 1-2 meters from golfer detective distance: 6 meters from golfer remote distance: 30 meters from golfer max. speed: 7km/h max. climbing capability: 30 degree loading capacity: 25kgs gross weight: 26kgs (including weight 9.8kgs of battery) running distance per charge: approx. 50km running time per charge: 6-8 hours charging time: 6-8 hours control method: auto/remote/manual application: golf courses/path/pavement (the motor can apply dfferent torque with respective to the different road nature) storage: portable, easy to carry, can be folded and put inside car boot packing carton size: 100x62x42cm conveyance: 100PCS/20' foot container specifications of remote sensor as follows, battery: rechargeable Li-ion polymer rating: 3.7-4.2V 1000mAH weight: 77g operation time: 72 hours standby time: 7 days charging tme: 20mins/DC, 2mins/AC By applying the mature ultrasound technology, distance between the remote sensor and the trolley can be calculated precisely. Together with computerized control system, the follow up function can be processed. The ultrasound sensors/the infrared sensorsare built inside the plastic casing and located in four different corners of the trolley to ensure 360 degree of detective range.By clipping the remote sensor and pressing the auto button, the trolley will follow you all the way. Additionally, the movement can be controlled manually by turning the scroll-roller built in the handle bar. The remote sensor is actually the signal receiver and a remote control device. The golfer can also remote control the trolley by pressing the key of forward, backward, left and right. When there are obstacles which the trolley can not come across in the field, the golfer can remote control it to by-pass the obstacles.