Waterproof to 3,500m (11,500 feet);Powered by inexpensive alkaline battery. Virtually indestructible.;7 Programmable modes: Equal Flash, Beacon Strobe, Slow Strobe, SOS,Pulse;Available in white, green, red, amber and blue

• Glo-Toob GT-FX Light Source - White, 7.5 x 1.9 cm
• 7.5 x 1.9 cm
• White

Glo-Toob GT-FX Light Source - White, 7.5 x 1.9 cmGlo-Toob