Description
XTAR SD2 4-Color Dive Beacon
Stay visible and easily identifiable underwater with the XTAR SD2 4-Color Dive Beacon. Designed for divers who need a compact and reliable signaling light, the SD2 offers four selectable colors—white, red, blue and green—with nine lighting modes for different underwater conditions.
Delivering up to 100 lumens, the SD2 produces a clear, recognizable signal while offering up to 7.4 hours of runtime, depending on the selected mode. Its simple twist-control system lets you turn the beacon on, switch modes and return automatically to your previously used setting through its mode-memory function.
Built from durable aircraft-grade aluminum alloy, the SD2 is IPX8 waterproof to a depth of 100 metres and impact-resistant up to 1.5 metres. At only 58g without a battery, it can be conveniently attached to a BCD, diving tank, wetsuit or other equipment without adding unnecessary weight.
Key Features
- Four signal colors: white, red, blue and green
- Nine constant, flashing and strobe modes
- Maximum output of 100 lumens
- Runtime of up to 7.4 hours
- Waterproof to 100 metres
- Dual battery compatibility: protected 14500 Li-ion or AA battery
- Mode-memory function
- Automatic low-battery warning
- Simple twist operation
- Aircraft-grade aluminum alloy body
- 1.5-metre impact resistance
- Lightweight design—weighs only 58g without battery
Specifications
- Model: XTAR SD2
- Maximum output: 100 lumens
- Light colors: White, red, blue and green
- Lighting modes: 9
- Maximum runtime: 7.4 hours
- Battery: One protected 14500 Li-ion battery or one AA battery
- Waterproof rating: IPX8, up to 100 metres underwater
- Impact resistance: 1.5 metres
- Dimensions: 108 × 25mm
- Net weight: 58g without battery
- Housing: Aluminum alloy
The XTAR SD2 is a practical underwater signaling companion for recreational diving, night diving and other activities where dependable visibility and equipment identification are important.













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