Description: WiFi RC Control Robot Crawler Tank Chassis with ESPduino Development Board+ Motor Driver Board by Android iOS APP Control Aluminum Alloy Car Platform - Solid structure, offer outstanding appearance, higher durability stability. Flexibility - go forward, go backward, turn left, turn right, turn around, high speed motors and premium tracks also allows it to move swiftly everywhere. Damping Effect - Shock absorber spring achieve damping effect. Widely suit for road surface. Easy to assembled by yourself and easy to learn DIY. You are able to add various sensors, servos, turntables and controllers with multiple mounting holes on the Devastator platform. Dual DC Motor is equipped with a speed feedback circuit and Hall speed. Dual motor offer higher power and speed. It is perfect for hobbyists, educational, competitions and research projects. Specification: Name: T300 intelligent tank chassis Material: aluminum alloy Surface treatment: sandblasting oxidation Color: golden yellow or silver Caterpillar: engineering plastic Size: 290 * 270 * 100 mm (length * width * height) Load capacity: 5KG Weight: 1.6 kg Motor optional: 1. 9V Motor with Code Disc 150RPM 2. 12V Motor without Code Disc 320RPM Note: The Code Disc can be used for speed feedback. Package Includes: T300 chassis: 1 pcs Driving wheels: 2 pcs Bearing wheels: 10 pcs Track: 2 pcs DC motor: 2 pcs ESPduino development board suite: 1 set Get Free: Screws: several Small hexagonal wrench: 3 pcs LED lights: 2 pcs Battery pack:1 pcs