2WD Robot Smart Car Chassis for Arduino Wood Chassis 2 Layer

From the shop's description

This Wood Robot Smart Car Chassis comes with a quality product. The kit is easy to assemble/disassemble. Now it has become very easy to design robotic smart cars with Micro Ohm Check out our other smart kit now!! Note: The motor power supply is 3V ~ 6V. Rotating speed of the motor is 125RPM. All the parameter above is tested without load. The car Chassis is transparent, you need to tear out a protective paper. The color of a protective paper may be different. Feature: Smart car chassis tracing car Robot car chassis with code disk, Ideal for DIY. This car is the tachometer encoder. With a 4 AA battery box (batteries not included). It can be used for distance measurement, velocity. Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, Wireless remote control. Package Includes : 2 x Car Wood chassis. 2 x BO Gear motor. 2 x Car tire. 1 x Universal wheel. 2 x Speed encoder. 1 x Battery box(batteries not included). 4 spacer All necessary screw and nut. Length (mm) 245 Width (mm) 157 Height (mm) 57 Weight (gm) 330 Shipment Weight 0.34 kg Shipment Dimensions 12 × 10 × 6 cm