NASA Wireless Masthead Wind Sensor — NMEA 0 | 4Boats Skull Crusher Coffee on-demand switch auto-activates when trigger

on-demand switch auto-activates when trigger is squeezed

They are not recommended for rocky or heavily weeded seabeds where a Plough (CQR) or Bruce-style anchor may perform better

✔ **Vacuum Sealed:** Waterproof & air-tight packaging

Engineered with a high-grade bronze pump head and a flexible nitrile/copper impeller

NASA Wireless Masthead Wind Sensor — NMEA 0 | 4Boats Skull Crusher Coffee on-demand switch auto-activates when triggerCompact wireless masthead anemometer that sends wind speed and direction to a wired base receiver for connection to NMEA 0183 displays and chartplotters. NMEA 0183 output from base unit to compatible displays Wireless transmission from masthead to base receiver no mast wires to route Solar powered masthead with internal rechargeable battery Operating time (from full charge) > 2000 hours Lightweight: 0. 19 kg (0. 42 lb) Simple masthead alignment via