Warm Tip: When you receive your product, you can scan the QR code on the product to download the corresponding APP. We are very grateful for your love and support for our products. Specifications: Application: 24"/700C Front Wheel APP interaction: YES Generations: iMotor 3.0 Voltage: 36V Maximum capacity: 7.2ah(270wh) Maximum speed: 40km/h Maximum output voltage: 800W Motor Power: 350W Break: V Break / Disc Break Model: 24"/700c Battery Number: 30PCS USB Output: 5V 2A Battery development: YES Charging Port: DC2.1 Assistance mode: Pure electric cycling / Pure pedal assist Package: 1* bicycle front wheel 1* mobile phone holder 1* modification package 1* charger 1* instruction manual.