Vigilant is self-powered by the wind speed sensor and displays wind speed (0-100MPH) and high gusts with a resettable Gust Register - no additional power source needed.
A self-powered wind speed instrument that displays speed up to 45 m/s. Mounted in a mahogany-finished, hardwood block and factory calibrated for accuracy. Can be wall mounted or set on any horizontal surface. Requires no external power supply.
