Eujgoov Tracking Motor Car Chassis Kit - Smart Robot Car Chassis Kit, Easy Assembly, Complete with Batteries, Ideal for Robotics Enthusiasts and DIY Hobbyists

1. [EFFORTLESS ASSEMBLY] Build your own smart robot car with ease using this comprehensive kit. Its simple mechanical structure ensures hassle- assembly. 2. [ADVANCED TECHNOLOGY] This kit includes a 20 wire tachometer code and a photoelectric , allowing you to create a versatile system for speed, distance, and closed cycle operations. 3. [CONVENIENT POWER SOURCE] The chassis is equipped with 4 AA battery compartments for easy power supply to the entire system. 4. [USER-FRIENDLY] With a built-in switch, this chassis ensures simple system control and effortless operation. 5. [DURABLE DESIGN] Made from premium materials, this highly integrated system is built to withstand long-term use. Spec: Item Type: Smart Robot Car Chassis Kit Material: PCB Power Supply: 4 x AA battery (not included) Package List: 2 x Car Chassis 4 x Wheels 4 x Motors 1 x For R3 Mainboard 1 x V5.0 Expansion Board 1 x L298N Drive 1 x SG90 Module 1 x SR04 Ultrasonic Module 1 x Obstacle Avoidance Module 1 x Lamp Group Module 1 x USB Cable 1 x Instructions 1 x Battery Box 4 x Bracket Accessories 1 x Module Wiring Row 8 x Connecting Wires 1 x 1 Screw Pack (4 x Long Screws, 4 x Medium Flat Screws, 5 x Medium Pointed Screws, 7 x Short Screws, 6 x Nuts) 1 x 2 Screw Pack (3 x Accessory Brackets, 2 x Medium Screws, 1 x Short Screws) 1 x 3 Screw Pack (8 x Long Accessories, 4 x Round Accessories, 8 x Long Screws, 8 x Short Screws, 8 x Nuts, 4 x Long Bolts)