For sale is a brand new factory fresh as of April 2017 Nitek Q Q4 with CCR loop monitoring capability. It is in the box and has never been dove. A free upgraded bungee strap and Dive Rite strap with quick disconnect buckle are included. $400 via Paypal, and I will pay shipping + insurance to the lower 48. A killer deal on a full Trimix OC and CCR computer.