
Blue, Specification Size(mm): 2.8*2.8*1.5, Power: 1.0W, Lm: 20, Vf: 3.3, VIf: 0.35A, Angle: 140
Stepper Motor Driver for Bipolar Motors with microstepping & programmable current profile

Red, Specification Size(mm): 2.8*2.8*1.5, Power: 1.0W, Lm: 50, Vf: 2.3, VIf: 0.35A, Angle: 140
Amber (yellow), Specification Size(mm): 2.8*2.8*1.5, Power: 1.0W, Lm: 40, Vf: 2.3, VIf: 0.35A, Angle: 140