The CruzPro SBS-30 Second Battery Switch/Charger (Voltage Sensitive Relay)
automatically switches in a second battery to your primary battery whenever
the primary battery voltage is higher than your second battery.
The UWSD10 calculates wind speed with a resolution of 0.01 knots and works from zero wind speed to 120 knots. Wind direction is output in degrees and air temperature in degrees C. The UWSD10 draws only .020 amps and is provided with a 30M cable and two waterproof connectors. The UWSD-10 Ultrasonic Wind Speed/Direction sensor is 100% compatible with the WSD-110 wind dis...