- thanks to its double-arc the lamps' lifespan is 60% longer compared to standard sodium lamps;
- can be used with luminaires dedicated to standard sodium lamps;
- designed to operate in any position;
- very good price-quality ratio;
- can only be used with luminaires of corresponding wattage containing electrical gear (series-parallel igniter 3,5-4,5 kV and electronic or magnetic ballast) dedicated to high-pressure sodium vapour lamps.

* According to Stage IIa of Regulation (WE) No 245/2009 standard highpressure sodium lamps and high-pressure double-arc sodium lamps are available only to oversold stocks. 

Because of mercury content, the lamps can not be discarded with household waste. Spent lamps should be paid to the place of purchase. The correct disposal of your old product will help prevent potential negative consequences for the environment and human health.