Check the listing for details. Shearwater Teric Wrist Computer w/ Transmitter - Black - Open Box. Condition: Used. Listed at 1200.00 USD. Multiple gas definition presets are supported with any combination of oxygen, nitrogen and helium. The Teric will NOT "lockout" after a missed stop or ascent rate violation. After the dive, the Teric communicates via Bluetooth to connect with the Shearwater Cloud dive log manager, which is compatible with MS Windows, OS X, iOS and Android devices, supporting wireless log downloads and firmware updates.