The powerful 406MHz 5 watt output transmission ensures that a call for help gets through to the international search and rescue authorities whatever the conditions.

It operates in temperatures down to -20°C and the integral battery has a user storage life of 5 years, so there's no need for constant battery changes and re-charging.

Operates on the 406 MHz international messaging and 121.5 Mhz homing signal SOS Morse LED flash light 50 channel integral GPS version Simple three-stage activation Minimum of 24 hours continuous operation.