Brand Name: BIQUModel Number: ZMK000003Name: TL-SmootherFit to: 3D PrinterPlace of origin: ChinaSize : 40*30Type: Voltage Regulator               The TL-Smoother is an addon module for 3D printer stepper motor drivers.   The board provides flyback diodes (freewheeling diodes) for the motor  outputs,    so that they are also protected against induction voltages  in the unpowered  state   of the driver.You will got smoother movement especially  on the delta-style  3Dprinter   under DVR8825 stepper drivers and A4988/2  drivers.   Lower vbration lower noise  smoother result！   TL-Smoother assembly instructions     https://drive.google.com/open?id=1Kdq4FKcv4PRkuYbeoWxF_myPKDdfZud9XCIloQEaLqs                            Package Weight: 0.06kg (0.13lb.)   Package Size: 12cm x 12cm x 12cm (4.72in x 4.72in x 4.72in)