... North Finder digital 360 degs hand-held North Finder,direction finder,magnetic angle finder Product description: SDC630 is a digital 360 degs North Finder with ... . If you set “H”-Heading angle to:000.0,When the north finder rotated to 0 degrees(North),position, ... External optional compass) 15) IP65 protection level 16) Industrial digital display, wide temperature range, can be night vision Applications ...