Combo:
1 piece Controller (Random Color)
1 piece Bluetooth module for Cell Phone(If order it ''with bluetooth'')
1 piece Wiring
1 piece Software(Download link)

Main Specification:
1. Model Number: 72V50A
2. Max. Bus Current: 50A
3. Max. Phase Current: 200A
4. Working Voltage: 48V/60V/72V
5. Peak voltage: 88V
6. Compatible Motor Power: 500W-1500W
7. Size: 117mm*104mm*39.2mm

Key Features
1). All the raw materials are imported, using high-performance Moss tube
2). With the aluminum substrate scheme, the Moss tube is laid on the aluminum substrate and then placed on the PCB board
3). Small in size
4). High efficiency, low temperature rise, small running current
5). With self-learning function, excellent commonality
6). The app compatible with Android and Apple
7). With flux weakening function.(The product does not contain magnetism)