Operation interface 8.4 " tft true color lcd screenwavelength 610nm-950npulse amount 1-6pulse width 1-50mspulse delay 1-30mspot size 10x50 mm (standard)shr energy 1-50 jcmrf energy 1-50 jcmhandle fixed handleshr power 2000wrf power 300wnet weight 22kg.