1 Set Motor Smart Robot Car Chassis Kit Speed Encoder Battery Box 2WD Tracking Obstacle Avoidance Intelligent Car DIY Kit

Features: Mechanical structure is simple, it is easy to install. This car is the tachometer encoder With a 4 AA battery box and battery case. (Batteries are not included.) Can be used for distance measurement, velocity. Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control. Size: approx. 20 x 14cm(L x W); Wheel Size:6.5cm (Dia.) x 2.7cm (H) Notes: motor power supply is 3V~6V. All the parameter above is tested without load. Package Content: 1 x Car Chassis 2 x Gear Motor 2 x Car Tire 2 x Speed Encoder 2 x Fastener 1 x Universal Whee 1 x Battery Box (Batteries not included ) All Necessary Screw And Nut Kindly Notes: The car Chassis is transparent, you need to tear out protective paper