SILVA Map Measurer Plus

* Digital map measurer* Modern waterproof designThis map measurer from Silva features a metal wheel, digital display, handy belt clip on the back, and detachable lanyard. Measures kilometres, miles and nautical miles, with choice of scale and add/subtract distance function. Given a known speed it can also calculate how long it will take to cover the rest of the route.
FEATURES
* Choice of scale * Digital display * Adds/subtracts distance * Time to destination calculation * Countdown timer
SPECIFICATIONS
* Dimensions 90 x 40 x 10 mm approx* Takes R2032 3V lithium battery (supplied)