ASTM F963 Compliant Product (US Consumer Toy Safety Standards) Suitable for Boys or Girls 37-70 Months Old (Under Supervision of Adult) with Maximum Rider Weight of 66 lb 12V SLA Battery, Dual 12V Motors, 2 Speeds (Low / High), Maximum Speed 2-4 Mph Forward / Reverse Switch, High Speed / Low Speed Switch, LED Lights On / Off Switch NEW ! Soft Start and Electric Brake System for Gradual Acceleration and Reliable Braking NEW ! Soft PU Leather seat and Spring Shock Absorber for Comfortable Ride Realistic working LED Headlights / Tail Lights NEW ! Racing Style Color LED Wheels with Zero Maintenance Soft EVA Foam Rubber Tires and Dual Training Wheels for Comfortable and Stable Ride NEW ! Integrated MP3 Player with MP3 Audio Input, Plays files from Micro SD card, USB Flash Drive or external devices like iPod, iPad, iPhone or Android Phones Horn and Music Sound Buttons on the Steering Wheel, Digital Battery Voltage Meter Partial Assembly Required, Estimated Assembly Time is 20 min NEW ! Smart Battery Charging Technology, Automatically controls Battery Charge and Prevents Overcharging Battery Charging Time 6 - 8 Hours (Automatically Controlled), Riding Time up to 1.5 Hours (Depending on Ride Conditions) Assembled Dimensions: Length - 40", Height - 25", Width - 18" (With Mirrors)