Tactical True Apparent Wind Display RepeaterThe Clipper True Wind Display shows apparent wind speed and direction, when connected to a log or GPS, it can also show true wind speed and direction.Requires NMEA boat speed input either VHW from log or RMC from GPS for True wind speed and direction.Features:Supply voltage nominal 12 VoltsSupply current 10mA + (10mA for back light illumination Max)NMEA input sentence MWVBack light - 9 levelsPointer style - 2Display wind speed - 0 to 99 KtsDisplay Wind angle - 0 to 360 degrees represented by 60 segmentsDisplay case size 110 x 110mm