Specifications:
Item: Latest CNC Shield-Kit
Compatible with: A4988 or DRV8825 stepper driver
Operating voltage: DC12-36V
Max. Working current: 2.5A
RAMPS1.4 mechanical switch - end stop:
Red: VCC (ramps +)
Black: GND- (ramps -)
Green: signal (ramps)
DRV8825 stepper motor driver: upgraded from A4988
Maximum current: 2.5A
Suitable for driving stepper motors - up to 8.2V~45V, 2.5A
Nema 17 stepper motor: rated current/phase: 1.7A

Features:
1. 3D Printer CNC Kit, GRBL CNC Shield Professional CNC Module Kit 4-layer PCB board with better heat dissipation
2. With UNOR3 board + RAMPS1.4 mechanical switch-end stop + DRV8825 stepper motor driver + Nema 17 stepper motor
3. Boost your diy projects with this high-quality CNC kit made of long-lasting ABS material, perfect for amateurs and professionals.
4. 4 DRV8825 stepper motor drivers with heat sink, upgraded from A4988, high performance.
5. The precision of this CNC kit is unmatched, providing accuracy and consistency in every cut or engraving, making it a reliable tool for all your production needs.

Package Include:
1 x CNC-Shield-V3 Board
1 x R3 MEGA328 CH340G with USB Cable
4 x DRV8825 Stepper Motor Driver with Heat Sink
3 x RAMPS 1.4 Mechanical Switch -
3 x 4-pin Cable (70cm)
3 x Nema 17 Stepper Motor

Note:
Due to the lighting effect and shooting angle, there will be a certain tolerance in the product, please understand.
Please allow 0-1cm error due to manual measurement.