Super slim tight design,housing has less effect tolighting effect of optic lens
Much nicer, even, wider higher lighting effect
With branded LEDs and driver,150-170lm/w superhigh efficiency
IP66 dual ingress protection( lens+temper glass),IKO8 guaranteed
Driver box and lighting part separately sealed, moreefficient and safe
Buckle-lock, tool-free maintenance
Curved back, dust-free,self-cleaning
Adjustable adaptor(I15 degree), suit adjustingdemand of installation
TM21 service life >50000hrs​