A professional wide-angle underwater TTL strobe (electrical bulkhead) delivering 213 watt-seconds with a 120-degree beam and 4800K color temperature. Features 10 stops in 1/2-stop increments, 0 to 1.2 second recycle time, an integrated LED modeling/aiming light (up to 2500 lumens), and a 100m depth rating. Includes a rechargeable NiMH battery pack, smart charger, and ball mount; weighs 1220g and is made in the USA. Note: page indicates this model has been discontinued/superseded by the DS232.