Features: ▶ This 32-bit Motherboard accessory is Suitable for 5W Optical Power engravers. Please make sure your engraver optical power is 5w before purchase, ▶ Compatible with lots of engraving machine model such as A5 M50 PRO, A5 M50, P7 M40, P9 M40, P7 M30, A5 M40 etc. ▶ Atomstack 32-bit Motherboard, perfect replacement accessory for your cutting machine. ▶ Easy to install, detach the old Motherboard and replace the new one. ▶ Any problem, please our store without hesitation. Honor to serve you. Specification: Product Name: Atomstack 32-bit Motherboard For: 5W Optical Power Engravers Packing List: 1 x 32-bit Motherboard Replacement