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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
Blue Sea 1839 M2 OLED Tank MonitorM2 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
M2 OLED Tank MonitorThe 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 AC Current Transformer when required
- Intuitive tank level monitoring
- Monitor up to 4 tanks
- Auto calibration for unique tank shapes
- Compatible with common sending units
Specifications:
- Meter: Tank
- Function: Monitors tank volume in up to 4 tanks
- Resolution: 1%
- Display Size: 55mm x 28mm
- Input Voltage: 7-70V DC - Variable with voltage, display intensity, and sleep mode
- Range: 0.3W-1.0W
- Tank Alarms: 80dB
- Tank Shapes: Custom shapes, auto calibration
- Weight: 0.25lb (0.11 kg)
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Manufacturer Part Numbers: 1839
Installation Guide (PDF)
GRP:WRO
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
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Gentle on my skin and actually brightens. Saw changes around week three.
I picked this up because I wanted something that could help fade a few sun spots without irritating my skin. A lot of dark spot creams feel harsh or overly scented. This one feels rich, calming, and non-greasy, which made it easy to use every night.
The texture is smooth and absorbs faster than I expected for a night cream. It doesn’t sit heavy on the skin or leave a film on the pillowcase. After about a week my skin felt more hydrated and even. Around the three week mark I noticed a real difference in brightness and in how even my cheek area looked. The darker spots are not gone, but they look softer and less defined.
A few things that stood out:
1. No stinging or peeling which is rare for brightening products.
2. The moisture lasts through the night with no dryness the next morning.
3. Works well under other skincare like serums or retinol.
4. The fragrance is very light and fades quickly.
It’s not an instant fix, and anyone expecting overnight results will be disappointed. But if you stick with it, it delivers steady improvement without stressing the skin. For the price, it performs better than some department store creams I have tried.
If you want something that brightens tone, softens dark areas, and keeps your skin moisturized through the night, this is a solid option.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
★★★★★ 5
Very Good
Eucerin cream is an excellent skincare product, especially for dry and sensitive skin. It provides deep hydration and helps restore the skin’s natural barrier. It absorbs well without leaving a greasy feeling, making the skin soft and smooth. Many people notice improvements in skin dryness and irritation after using it regularly. It is also dermatologist-recommended, which makes it a trusted choice for daily skin care.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Fantastic moisturizer for overnight. Quality and small amt used justifies the $$
Love this stuff! It goes on like silk, and is quickly absorbed. No greasiness. Just enough extra body from the daytime version to be moisturizing all night. As for the dark spot aspect, I don’t really have any spots to correct, therefore I can’t speak to it. This is just an incredible moisturizer for me that doesn’t clog my pores and isn’t greasy..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Works well with the serum
Love the Radiant Tone line! Night cream penetrates well & is a great compliment to the serum.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 4
Works on dark spots
Seems to be working on dark spots! Have been using it on and off for 1 month.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
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