A4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module industrial Use the included double-sided mounting

Use the included double-sided mounting tape to attach them to your window or door of choice within minutes - each alarm is powered by 4 LR44 button batteries (included)

97W(centimeters)

[360 Adjustment] We have taken into account your various needs

It is approximately 2" (50mm) diameter and 15mm thick

excellent audio quality come out

A4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module industrial Use the included double-sided mountingA4988 DRV8825 Stepper Motor Driver Control Extension Shield Board for 3D Printer, Step Motor Extension Module Parameter Information: Input Voltage: 5V 9V Output Voltage: 9V Features: The A4988 DRV8825 can be used, pay attention to the direction when inserting, otherwise the drive may be burnt. Jm connects the motor. Jv connects 5V and 12V 24V power supplies. Jc E S D G corresponds to the Enable Step Direction Gnd drive signal output on the connection.