: model name: EM50/4 72300 Voltage: 48v to 72v universal Current: Maximum release current 80A, phase line current 300A Adaptive motor: 400 to 2000 The default function for controller: Hall Plug, Reverse, Low Brake 0V, Throttle (0-5V), High Brake 12V, Ignition, One-line/Hall Meter Wire, Program Port, Three Speed, Sport Model, Parking, Anti-Theft, Regen Charge, Flux Weaken Current. The appearance may be slightly different due to different factory batches, but it not affect the use Color: Black Material: Plastic Package Contents: 1*Programmable Controller 1*Cable 1*Programmable Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!