... mini laser engraving machine Non-metallic Engraving a) Red light positioning system b) DSP off-line control XJ 1280 CO2 mini ... Features and specialties:1. Adopting advanced DSP digital control system and international standard laser power supply, in integrated framework ... down table, rotary device, red dot position and vacuum system etc. are optioal.Application to material:Acrylic,wood, leather, ...