Petzl Adapter Kit Tikka andZipka - Helmet adapter for Tikka and Zipka - Box contains: - Battery compartment cover - Adapter plate for gluing to your helmet - Fits the following Petzl LED lights (models from 2-2014 onward): - Tikkina (E91HB, E91HG, E91HV) - Zipka (E93ZY ja E93ZB) - Tikka (E93HG, E93HF, E93HY, E93HB) - Tikka+ (E98HG; E97HR, E97HB, E97HT) - Tikka XP (E99HN, E99HC) - Tactikka+ (E89AHB C, E89AHB D, E89 AHB N) - Tactikka+ RGB (E89BHB D, E89BHB N, E89 BHB C) Does NOT fit the reactive lighting Tikka R+ or Tikka RXP lights, or Tikka or Zipka models older than 2014. After gluing the adapter plate to your helmet, wait 24 hours before taking the helmet to use.