Terratrip V4 remote zeroing unit, the latest hand held zeroing unit suitable for all the V4 tripmeters, including the Geotrip models. No more stretching just use a Velcro pad on the top of your map board or a strap round your door bar and you'll be able to click through the functions you require on the move.
Control the main tripmeter functions remotely
Designed to suit all V4 models including GeoTrip
Quality Terratrip components for reliability