THE BCR 320U IS THE ONLY DEDICATED 0.5W LED DRIVER ON THE MARKET. BCR 320U DEMOBOARD FEATURES: 24V SUPPLY VOLTAGE CONSTANT LED CURRENT OF 150MA BAS 007A-RPP SCHOTTKY DIODE FOR REVERSE POLARITY PROTECTION- 6 X 0.5W LEDS, TYPE: OSRAM ADVANCED POWER TOPLED