L&B Optima II Audible Skydiving Altimeter Helmet Accessories Helps improve pack volume and

Helps improve pack volume and line layout

Premium Enhancements: Elevate your experience with premium options like the SkyHook and SPYN PAD

toggle range

controlled flight

and gives you more control

L&B Optima II Audible Skydiving Altimeter Helmet Accessories Helps improve pack volume andLED socket option Select With LED Socket if you want the Optima II prepared for LBs external visual LED warning light. The LED socket version gives the same audible altitude awareness features, plus a visual warning output for jumpers who cannot reliably hear an audible in every situation, including high speed flight, noisy helmets, hearing limitations or disciplines where extra visual altitude cues are useful. The LED socket is an integrated product