- The D550 is powered on and off with a magnetic tail switch.
- Complete with 18650 battery, charge, handmount, landyard and spare o-ring
- Lumens: 970 (high) 367 (low) 970 (middle strobe)
- Burn time: 2 hours (high) 5 hours 45 minutes (low)
- LED: Cree XM-L2 (U4)
- Depth Rating: 150m
- Weight: 183g (excluding Battery)
- Size: 144mm by 25.4mm by 40mm