our products Toseven DM 01 - kit Equipped with Torque Sensor & Cadence Sensor. Up to 750/1000W Rated Power Output. Output Torque of 160Nm. Compatible With 48, 52, 60 Volts Battery Range. Toseven DM 02 - kit Equipped with Torque Sensor & Cadence Sensor.Up to 500W Rated Power Output.Output Torque of 90Nm.Compatible With 24,36, 48, 52,60 Volts Battery Range.