U-T239-COB3/COB4/COB5 is our TRACK LIGHT. 

Efficiency：85-95lm/W

Wattage: 18W/30W /40W

Non-Dim 0-10V Triac DALI

Product quality assurance and service life: 

3 years 30,000H

5 years 50,000H. 

Finish color available：Black/White/Gray. 

UGR:<19

CRI：90

CCT: 3000K/4000K/5000K

Beam Angle:15/20/30/45/60 °