Description
Xtar SD1 Dive Beacon
The XTAR SD1 Dive Beacon is an ultra-compact, versatile and high-visibility signal light engineered for scuba divers, freedivers, and snorkelers. Featuring four vibrant colors and eight distinct lighting modes, this powerhouse marker light ensures you stay visible and safe during night dives, low-visibility conditions, or deep-blue excursions down to 100 meters.
Key Features
- 4-Color-in-1 Versatility: Seamlessly switch between White, Red, Blue, and Green LEDs to suit your signaling needs, coordinate with dive buddies, or minimize marine disturbance.
- 8 Lighting Modes: Includes both Constant and Flashing (Strobe) settings for every color, making it an exceptional marker for tank placement, anchor lines, or surface safety.
- Intuitive Twist Operation: Easily cycle through modes with a simple, secure gentle twist of the body—designed for effortless operation even while wearing thick neoprene dive gloves.
- Smart Memory Function & Low Power Warning: Automatically recalls your last-used lighting mode upon activation, while the low-power alert ensures you are never caught in the dark.
- Flexible Dual-Power Options: Runs on an included USB-C rechargeable 16340 lithium-ion battery or can accept a backup CR123A battery for extended remote expeditions.
- Rugged & Depth-Rated: Built with an aircraft-grade aluminum body carrying an IPX8 waterproof rating, certified safe for professional and recreational submersions down to 100 meters (328 feet).
Technical Specifications
| Feature | Specification Details |
| Light Source | 4-Color LED (White, Red, Blue, Green) |
| Lighting Modes | 8 Modes (Constant & Flashing for each color) |
| Max Output | Up to 25 Lumens (White/Green) |
| Depth Rating | IPX8 — Submersible to 100 meters / 328 ft |
| Battery Compatibility | 1x 16340 USB-C Rechargeable Battery (Included) or CR123A |
| Burn Time | Up to 13.5 hours (Flashing) / ~5 to 6.5 hours (Constant) |
| Dimensions | 66 mm (Length) x 23 mm (Diameter) |
| Weight | 27 g (Without battery) |
| Impact Resistance | 1.5 meters |




