Osram 57431 Optotronic 20W 120/277V AC 50/60Hz Constant Current Dimmable LED Driver OTi 20/120-277/700 DIM-1 L G2 - - Amazon.com
Othmro LED Driver 1pcs 3W Power Supply Transformer Adapter 85-265V DC Low Voltage Output for LED Light,Computer Project,Outdoor Light: Amazon.com: Tools & Home Improvement
Osram 57452-50 watt 120/277 volt 50-60Hz Dimmable LED Driver (OTi50/120-277/1A4/DIM-1/L G2 Osram Optotronic LED Driver) - - Amazon.com