Characteristic: High luminous efficiency, long cervice life, good photochromism, colour index Ra=65, color temperature: 3200K-5600K Application: Available for the stadium, exhibithion center, supermarket, street lighting. Power: 70W, 100W, 150W, 250W. Voltage: 220-240V. Avg. Life: 5000 hours. Lamp base: R7s