AnchorKnight
ACTIVEAnchor drag alarm that warns you when your boat drifts
Launched July 28, 2026
About AnchorKnight
The first dedicated, standalone GPS anchor alarm device. Precision multi‑GNSS positioning (GPS + GLONASS + Galileo + BeiDou) delivers 1–2 m accuracy, powered by a 72‑hour rechargeable battery and built to IP67 waterproof standards. It features a loud 85–90 dB siren with visual LED alerts, a 5" IPS touchscreen, and adjustable watch radii (15‑100 m). Fully self‑contained with optional WiFi / Bluetooth push notifications, it watches your anchor every second and wakes you instantly if drift is detected.
Pricing
Pricing information isn't available yet.
Capabilities
Precise multi‑GNSS positioning
1–2 m accuracy using GPS, GLONASS, Galileo and BeiDou for reliable anchor monitoring.
Long‑lasting battery
72 + hours of continuous operation on a rechargeable USB‑C battery.
Waterproof construction
IP67 rating protects the device from rain, spray and salt‑air exposure.
Loud siren with visual alert
Built‑in 85–90 dB siren plus bright LED ensures wake‑up alarms in the cabin.
Sunlight‑readable touchscreen
5" IPS display (720 × 1280) provides clear readout even in bright conditions.
Adjustable watch radius
User‑selectable alarm thresholds of 15, 25, 50 or 100 m to match anchoring scope.
Standalone operation
No phone required; the device works independently with optional push notifications via Wi‑Fi or Bluetooth.
Optional connectivity
Wi‑Fi 6 and Bluetooth 5.0 enable optional phone notifications.
Use Cases
Nighttime anchorage monitoring
Continuously watches anchor position and sounds an alarm if drift occurs, allowing sailors to sleep safely.
For: Cruisers and live‑aboard sailors
Solo sailor cabin alert
Provides a dedicated, loud alarm so a solo sailor can rest without constantly checking GPS on a phone.
For: Solo sailors and solo offshore adventurers
Extended anchorage stays
Battery lasts over 72 hours, covering multi‑day anchoring without needing ship power.
For: Long‑term live‑aboard or charter guests
Heavy weather protection
Detects anchor drag during strong winds or currents and alerts the crew instantly.
For: Sailors anchoring in rough conditions
Redundant backup to chartplotter
Offers a separate, dedicated alarm system independent of navigation displays.
For: Boat owners using chartplotters who want an extra safety layer