R7S metal halide lamp 1) High Luminosity & Efficient 2) Accept OEM & ODM 3) Long life Warranty 4) Low Power Consumption R7S metal halide lamp1) High Luminosity & Efficient 2) Accept OEM & ODM0perating Voltage:220-240V/50Hz or 110-130V/60Hz3) Long life Warranty4) Low Power ConsumptionHigh pressure metal-halide vapour lamps are compact dischargelamps with a stable colour over lifetimeHigh lamp ...