XTAR SD1 Dive Beacon

Compact, reliable, and built to perform, the XTAR SD1 is a versatile dive beacon designed for underwater signalling and enhanced visibility in all conditions. Featuring four vivid colours—white, red, blue, and green—with constant and flashing modes for each, it’s a must-have for divers, snorkellers, and outdoor adventurers alike.

•  4-in-1 Multicolour LED: Choose from white, red, blue, or green – each available in constant and flashing modes (8 lighting options in total).
•  Bright & Visible: Up to 25 lumens in white and green modes, 10 lumens in red and blue – ideal for signalling in low-light conditions.
•  Long Runtime: Up to 13.5 hours on flashing mode or 6.5 hours on constant mode with the included rechargeable battery.
•  Rugged & Waterproof: Made from aircraft-grade aluminium, impact-resistant up to 1.5m, and waterproof to 100m (IPX8) – ready for any dive.
•  User-Friendly: Easy twist-switch operation, even with gloves. Memory function recalls your last setting.
•  Flexible Power Options: Runs on either a 16340 USB-C rechargeable battery (included) or a CR123A lithium battery.
•  Above & Below Surface Use: Also works great as a compact safety light for hiking, camping, kayaking, or night-time cycling.