Best in 7 days
![T-H Marine 2-Way Boat Alarm System [TWA-1-DP]](https://cdn.shopify.com/s/files/1/0751/4878/7965/files/t-h-marine-2-way-boat-alarm-system-twa-1-dp-security-systems-865.webp?v=1752265370)
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Shipping Estimate
USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
T-H Marine 2-Way Boat Alarm System [TWA-1-DP]2 Way Boat Alarm System Protects your boat and valuable equipment from theft. Features: Shock Sensor Detects Intruders Alerts you up to 3000 Yards when Activated Two Way Remote Alerts with Sound, Light & Vibration Up to 3000 Yards Response and 1000 Yards Transmit 128 db Alarm Horn Waterproof Main Engine Shock Sensor with Sensitivity Adjustment Easy Installation WARNING: This product can expose you to chemicals which are known to the State of
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 169 reviews
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Product Reviews
★★★★★ 5
great product
Color: 2Pcs-Large L Hooks-Orange
worked great very strong. definitely will buy again. used them to hang shovels and more inside of my van
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Good stuff!
Color: 2Pcs-Large L Hooks-Black
Very strong magnets. Holds heavy extension cords with ease.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Strong magnet
Color: 2Pcs-Large L Hooks-Orange
Strong magnet I used it in my storage building
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Reviewed in the United States on August 2, 2025
★★★★★ 5
Nice and big
Color: 2Pcs-Large L Hooks-Black
They're strong the thicker the steel or iron you attach it to the better it sticks.
It has a rubber coating over them magnets so they won't shatter when you stick them.
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Reviewed in the United States on October 11, 2025
★★★★★ 1
do not recomment
Color: 2Pcs-Large L Hooks-Black
horrible product, it doesn't even hold itself up
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Reviewed in the United States on October 13, 2025
