Now Shipping!

• The most advanced timing chip in the world, see Air+ page.
• For MTB Enduro, sprint orienteering, obstacle course, military, etc.

• Air+ and conventional compatible
  
• Onboard circuitry determines Air+ punch time
  
• Mix and match both BS11 and BSF8 punches
• SIAC itself flashes and beeps with a punch
  
• Turns on with a BSF8 Check station, turns off with Finish

• 128 punch capacity
  
• Four colors to choose from
  
• Includes elastic finger strap band and retail packaging
• Battery included, factory replaceable
• Made in Germany, warranteed

• Purchase an SIAC and use at Air+ or non-Air+ events
• Simply do not punch at Check station to keep SIAC "off"
• Will not consume battery, acts like SI-Card10
• (The SIAC is in fact an SI-Card10 plus Air+ microcontroller)