If you are an experienced SCR or CCR diver and want to become an SCR HORIZON diver, the SSI SCR Extended Range course introduces you to diving beyond the decompression limits for recreational divers. You will learn the concepts of self-sufficiency and redundancy, which are essential in rebreather diving. Learn to independently plan and conduct limited decompression dives to a maximum depth of 40 meters with the Mares Horizon semi-closed circuit rebreather (SCR). Become fully self-sufficient with SSI's unique SCR training techniques and extended range skills. Learn SCR dive planning, in-water skills, problem solving techniques and emergency scenario management. Take your SCR rebreather training to the highest level with the SSI SCR Extended Range course today!