This is my home built robot 2.4ghz system with 1.5km open range led lights powerfull jhonson geared motor and many more specification
This robot is the winner of rdx robot compition in all terrian vehicle category
You tube link is given below for video
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200rpm jhonson geared motor
2.4ghz trex reciver
2200mah 3s battry
30 amp firblade seris relay board