Strength, efficiency, durability, bonus she baton, it would have been cool to find the same in version 6 batteries, the cult ML6 50cm long but with a led. I like the bluish light of the led. The price / quality ratio is probably by far the best of the whole lamp range, range considered always on top after if you go for in the ultra technology you will pay dear ... it's frankly maglite simplicity and quality are the two words that come.