The PEREGRINE TX is a fusion of the beloved PEREGRINE'S large, user-friendly interface, plus core features from our flagship model the PERDIX 2 - air integration and a digital compass. Designed for sport divers, the PEREGRINE TX delivers the renowned Shearwater experience at extraordinary value. ss. Designed for sport divers, the PEREGRINE TX delivers the renowned Shearwater experience at extraordinary value.  PEREGRINE TX is a fusion of the beloved PEREGRINE'S large, user-friendly interface, plus core features from our flagship model the PERDIX 2 - air integration and a digital compass. Designed for sport divers, the PEREGRINE TX delivers the renowned Shearwater experience at extraordinary value.