Operation interface 8.4 tft true color lcd screenwavelength shr handle: 610-950nme-light handle: 430530640-1200nm(standard)480nm560nm590nm690nm750 nm-1200nm(optional)working mode shr+normal e-light(sr, ar, pr, wr)spot size 10*50 mm(shr handle);12*30 or 15*50 mm(e-light handle)shropt frequency 1-10hz adjustable ( 1 second emit 1-10 flashes)pulse width 1-50mspulse amount 1-6energy 1-50j cmhandle number 1pc or 2 pcs optionalshr power 3000wrf power 300fans 7pcradiation 2 big car used radiationnet weight 45kg.