Feature:1. Support Remote Control: Electric scooter control system has an EMP control module with remote control receiving module.2. Material: Using high quality chips and electronic components, four wheel drive design, with excellent and stable performance.3. Safe and Use: Has overvoltage, undervoltage, overheating, overcurrent protection, supports speed regulation, and is easy to use.4. Digital Display: Remote control with screen can make the data clearer and more convenient to watch. Display size: Approx. 15x22mm/0.6x0.9in.5. Easy to Install: Robust construction of the motherboard extends life considerably, and the well organized board is easy to install but requires some hands on skills.Specification:Item Type: Four Wheel Scooter ControllerColor: As Pictures ShownWeight: Approx.460g/16.2ozMaterial: Electronic Components + PlasticS2 Remote:Battery Model: 602030Lanyard: SupportDisplay Type: Organic Light Emitting DiodeCharging Interface: Micro USBCapacitor Capacity: 3.7V/300mAh (with Built in Battery)Charging Time: 50% in 20 MinutesCommunication Method: Multi Point Frequency Hopping 2.4GRemote Control Distance: Approx. 20m/65.6ftDisplay Size: Approx. 15x22mm/0.6x0.9inFour Wheel Drive:Voltage: 30V-42VRated Current: 15Ax2=30AStall Time: 4 SecondsMaxPhase Current: 50A-60ARated Current: 5A-8AStall Time: 4 SecondsStatic Power Consumption: 5uAPackage List:2 x Four Wheel Drive1 x Remote Control1 x Charging Cable1 x Switch1 x Battery Indicator1 x Cable1 x ManualNote:1. This has belt program and hub program. The two have the same appearance, different software programs, and different types of corresponding motors. Please pay attention to the distinction.2. When the power of the remote control is lower than the last battery, the user should the remote control in time to