Mares Puck 4 Mission 2 Computer Console PUCK 4: Bühlmann ZH-L16C algorithm with customizable gradient factors User-replaceable battery (CR 2450) with a long battery life of 100 dives Integrated Bluetooth for direct connection to a smart device Firmware update via the Mares app Pressure gauge: Brass case Technopolymer window Phosphorescent dial Colors used to indicate tank pressure for intuitive readability Console: Protective thermoplastic elastomer console Two large eyelets for attachment points Grip area Colored details around the gauge dial and on the back.
eBay