Wide ApplicationSize: 18.5*19.8 mm, drive current 1.6A, peak current 2A, voltage range12 V- 24 V, 256 subdivision. BTT EZ2209 stepper motor driver can directly use with Mnata E3 EZ and SKR 3 EZ motherboard. EZ2209 can also well-matched with I3 Mega, Octopus V1.2, SKR 3 and other popular main boards by using BTT EZ driver connector. Better heat dissipation An innovative 2 in 1 combination of stepper driver and new large aluminum heat sink enables EZ2209 stepper driver better heat dissipation, declining energy consumption to a minimum as well as protecting the driver chip from external damage. A Breeze to Install The pinless structure of EZ2209 stepper driver can protects you from finger prick. Moreover, its anti-misplugging design ensures you to insert the driver in a correct direction and removes you from dangers caused by driver misplugging. Tip: it is necessary to use EZ driver connector if you want to use EZ drivers in non-EZ design motherboard. Ult