powerstar led track spotlight are classified by A/B/C/D/I/F series. power from 5-50W(100-150lm/w).non-dimmable to smart control lighting such as triac/dali/0-10v/dmx512/bluetooth/zigbee/wifi. single color to dual color/rgb/rgbw. all adopt world class chip&driver. 5years warranty with TUV/SAA/CE/CB/ENEC/C-TICK/Rohs certification