L&B Optima II Audible Skydiving Altimeter Helmet Accessories and gives you more control

and gives you more control

the TFX also boasts a 2

UPT Reserve Toggles – Pair with Velcro is an original United Parachute Technologies replacement part for Vector/Sigma skydiving equipment

controlled flight

L&B Optima II Audible Skydiving Altimeter Helmet Accessories and gives you more controlLED 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