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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
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Description
Blue Sea 1839 M2 OLED Tank Monitor [1839]M2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2. Features: Auto dimming, bright Organic LED display is easy to read 80dB alarm on all models Isolated 500mA MOSFET relay Includes external DC Shunt or
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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4.5 ★★★★★
Based on 2448 reviews
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Product Reviews
★★★★★ 5
Worked and still working
Took my friend forever to put it in his car but when he finally did- zoom zoom. He is back in the road delivering your purchase and food. Fit was tight but most are, affordable part.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Fit perfectly
Perfect
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Good product
Fits and works good
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Good value
I got this for my daughter and she has no complaints so far so good
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Repuestos para ford
Excelente, quedó muy bien en mi auto. Para pedir este tipo de productos se tiene que tener la seguridad de lo que está ordenando uno.
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Reviewed in the United States on March 12, 2026
