High pressure sodium lamp-American standrad
* High luminous efficiency
* Low power consumption
* Long service life
* Good photochromism
* White-golden ray that penetrates fog at ease
* Application: For lighting at the road, airport, wharf, station, factory, mines
* Nominal lamp voltage: 52V/55V/100V
* Average life: 16, 000 hours/24, 000 hours
* Glass shell type: E17/ED23.5/ED28
* Lamp base: MED/MOGUL
* Wattage: 35W 50W 70W 100W 150W 250W 400W