As practical and lightweight as ever, the new Alder is now more powerful and more durable, so you can light more effectively with fewer light points. Reduced investment and spectacular operating savings.– 8-year warranty for 24/7 use at 35°C (NEW)– Even more versatile with T6 gas certification (NEW)– Lightweight and easy to install sliding board– Electrical connection option to avoid expensive and cumbersome explosive atmosphere junction boxes.