Self ballast lamp /Direct metal halide lamp
Characteristic: Longer service life and higher luminous efficiency than the filament type self-ballasted mercury bulbs,but completely same as the filament type self ballasted mercury bulbs
lamp shape is same with metal halide lamp ,also can fit in metal halide lamp fixture ,but no need ballast .
Watt: 250W/400W
Voltage:220-240V
Life time:4000hrs.
Characteristic: Longer service life and higher luminous efficiency than the filament type self-ballasted mercury bulbs,but completely same as the filament type self ballasted mercury bulbs
lamp shape is same with metal halide lamp ,also can fit in metal halide lamp fixture ,but no need ballast .
Watt: 250W/400W
Voltage:220-240V
Life time:4000hrs.