Tacktick's T060 Micro Compass provides a clear and precise heading that is sometimes difficult to obtain on traditional glass ball compasses. The wireless T060 features a lithium battery that works in conjunction with a small fixed solar panel, providing you with of 200 hours of autonomous use. The dual displays provide you with a heading that is in your natural field of view, whether on port or starboard tack. The Micro compass displays your heading, tactical scale and race timer.