This bright orange illuminated collar by trixie is made of robust nylon and can be seen from a distance of up to 400m the collar features three different light functions fast flashing slow flashing and permanent light the collar is continuously adjustable and splash proof an indispensable accessory for the short days of autumn and winter the illuminated collar operates with a conventional cr2032 battery with 3 volt and has a burn time in flashing mode of about 200 hours batteries are easi