... , 500,700,1000,1200mA optionalLED used: Cree P4/Q2/Q5/R5, SSC P4, Lumileds K2. Input voltage: 3.6-30DCV, work ... single SSC P7, Cree MC-E, or 3 x Q5/R5 LEDs in series 2. Boost constant current driver Input voltage ... , 100, 350, 700, 1000mA optionalLED used: a single Cree Q5,R5, SSC P4 or ohter LEDs. 4. AC constcant current driverInput ...