The 36-volt brushless rear wheel motor has 250 Watts of power for a maximum torque of 42 Nm.
For example:
In mode 1, the motor increases your power by +90%, so if you pedal 100 W, the motor adds 90 W.
In mode 2, the motor increases your power by +150%, so if you pedal 100 W, the motor adds 150 W.
In mode 3, the motor increases your power by +220%, so if you pedal 100 W, the motor adds 220 W.