For the United Kingdom Customs fee might occurs that you may need to pay Vat Please Notice before ordering Specifications Engraving Area 300 300mmEngraving Accuracy 0 1mmLaser Wave 455±5nmLaser Power 5 5W Compressed Spot LaserOutput Power 20WData Transmission Type USB WIFI ConnectionDocument Format NC DXF BMP JPG PNG GCODEOperating Software Laser GRBL Lightburn with XP WIN 10 WIN 11 WIN 8 Mac SystemWeight About 4 3KGPackage Included 1 TTS 55 Laser Engraving Kit