Rc Smart Sensor Dance Robot - Programable Inteligente Electric Sing. Features: As Your Hand Moves, the Gesture Sensor Will Detect Such Movement and Make the Robot Advance, Retreat, Turn Left / Right. Interestingly, As It Patrols Forward and Meets an Obstacle in Its Way, It Will Move Backward and then Turn Left / Right. You Can Program a Series of Movements, and See the Robot Execute Them Rhythmically with Dynamic Music. Specifications Battery of Robot: 4.7V 600mAh Lithium Battery Charging Duration: 120 Minutes Game Duration: 60 Minutes Battery of Remote Control: 2 * 1.5V AA Batteries (not Included) Size: 26*8*16cm Product Functions: Slide Forward/Backward, Walk Forward/Backward, Turn Left/Turn Right, Gesture Sensor, Dancing and Singing, Patrol and Obstacle Avoidance, Intelligent Programming, Auto Display, Mechanical Language, Volume Package Includes: 1X RC Robot(Built-in Battery Included) 1X Remote Control(Batteries Not Included) 1X Charging Cable 1X User Manual . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.