Tracked Tank Smart Kit for Raspberry Pi 4b 3b Compatible with Bluetooth and WIFI Item Type:Tank Smart Robot Kit Microprocessor: For Raspberry Pi 4B/3B+ Programming Software: For Python, C Input: Four-Way Inspection Module, Ultrasonic Module, Button, High-Definition Camera Output: DC Motor, Buzzer, Servo Head, Colorful Searchlights, Two-Degree-Of-Freedom Camera Head Power: Power Lithium Battery Pack Life Time: ≥120 Minutes, Charging Time: 90 Minutes PTZ Rotation: SG90 Steering Gear Ranging Scheme: Flat Ultrasonic Module Power Supply Scheme: LM2596S Circuit Motor Drive Solution: TB6612FNG Circuit Motor: 370 Geared Motor x 2 Support System: For Linux, for Win10_IOT Size:245 x 234 x 178mm / 9.65 x 9.21 x 7.01in Battery:18650 12.6V 2000mAhThree core sensor modules / one multi-function expansion board 1, four-way tracking module 2, ultrasonic module 3, colorful searchlights