DIY 4WD Double-Deck Smart Robot Car Chassis Kits with Speed Encoder

Specification Model ST 4WDVoltage 6VSize of Car 280 180 73mmMaterial AcrylicLength of board 280mmWidth of board 150mmWeight 672g Feature 1 Mechanical structure is simple so it is easy to assemble 2 This car have 4pcs deceleration DC motor it can corner well 3 The car comes with speed encoder cooperate with our speed of photoelectric can rapidly form a speed measuring system Can speed range form a closed loop system 4 Can use with other devices to realize function of tracing obstacle avoidance distance testing speed testing wireless remote control 5 20 line Speed Encoder more accurate than 6 or 10 one Packaging Included 2X Car Chassis4X Deceleration DC Motor4X Wheels4X 20 line Speed Encoder8X Fastener1X Screw Pack