... 110Lm/w , better brightness.7, With reflector, the light efficiency can increase 17%~20%8, Electronic ballast 2years warranty ... No labour and no modification cost to the existing T8 light fixture.11, PC inflaming retarding converter lampholder 12,Installation: ... multi-link module for several fixtures15, slim and light weight16, place of origin:China17, port of loading: shanghai or ningbo Application ...