Only a Helite e-Pairing device is compatible with the components for your Helite electronically activated vest. The pairing device is only required should you wish to use the vest with the fork sensor as well.
Pairing your vest with the bike fork sensor of cycle frame sensor
For full information on how to pair sensors and vests using this Helite e-pairing device please see the instruction manual supplied with your vest.
The pairing device is used to pair all electronically triggered vests with the fork or saddle sensor. As they are small they can get lost. Always keep a spare.