Extremely lightweight, extremely small, extremely handy – and perfect for flexible use in explosive environments. The Ledlenser EX4 was designed specifically for Ex-Zone 0/20. At a mere 65 grams it will be easy to forget you’ve got a full-blown Ledlenser in your pocket until you need a light in a hurry. Extremely light weight (65grams incl. batteries) Extremely small and handy (only 14cm in length) Suitable for Ex-Zone 0/20 with gas groups IIA, B or C (up to T4) or dust groups IIIA, B or C (up to T135°C) Ledlenser lights are covered by a 5-year standard warranty, which can be extended to 7 years by registering the product.