Weather Stations

This digital barometer is designed specifically for the mariner. Not only does it show current pressure on the large display, it also displays historical information on a much more expanded scale than most electronic barometers.  This unit can show an expanded history of any changes that occurred over the last 48 hours. It accurately detects pressure changes to within +/- 0.5hPa.  

An alarm that signals abrupt changes in pressure, gale warning system, continuous display of current pressure, continuous display of time or temperature, backlighting for night use
Dimensions: 6 1/2�W x 4�H x 1-1/4�D, weight: 12 oz
Operates on 4AA batteries (included)average battery life � 1 year.