DiveRite Nitek Duo 2 gas computer. Only has about 20 dives on it and all in fresh water. It is in great shape and has manual and original box. Only $290.00 plus shipping or you can pick it up here at Cave Adventurers(retail is $400.00) you can email me at cabo@emeraldcst.com or call me at (850)482-6016 Thanks, Edd