The Shearwater NERD 2 is a compact, hands-free dive computer that provides critical dive information directly in the diver’s line of sight. It is designed for technical diving and supports both open-circuit and closed-circuit configurations.

• Display: Micro LCD with magnifying lens for clear, large-scale data.
• Battery: Rechargeable Li-Ion battery; approximately 18 hours of dive time on a full charge.
• Air integration: Supports up to 4 transmitters (transmitters sold separately).
• Modes:
  • OC Rec
  • OC Tec
  • CC INT
  • CC EXT
  • SCR EXT
  • Gauge
• Compass: 3-axis, tilt-compensated digital compass.
• Connectivity: Bluetooth for firmware updates and dive log downloads; compatible with Shearwater Cloud for dive log analysis.
• Depth rating: Up to 300 meters (985 feet).
• Weight: 74 g (without mount).
• Interface and design: Two-button interface and robust construction for technical use. The head-up format reduces the need to look away from the task at hand.
• Rebreather option: Fischer connector model provides real-time PPO2 monitoring for rebreather divers.

Firmware upgrades are supported to keep the unit up to date. Transmitters, mounts, and Fischer connector variants are sold separately.