8 Best
Marine Monitors
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Product Highlights- Comes with a 10 foot high suppression cable and a bnc connector, and is sold complete with probe (electrode).
- Note: orp monitors do not give instant readings. it will take at least a minute to get an accurate reading
- Powered by a standard 9-volt battery (not included).
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Product Highlights
- ✔ smart 24 hrs remote monitoring – equipped with mobile online app monitoring, this provides user a smart and easy way to view real time data. using any smartphone (android or ios), users can backtrack the data curve of each parameter up to the past 30 days. perfect tool for trend comparison and analysis
- ✔ useful features - this meter has a unique feature where you can set a security range for each parameter via the mobile app. this feature allows you to receive notifications whenever the readings go beyond the lowest and highest limit that you set. its sturdy carrying case is perfect for field work, and its flexible mounting options provide convenience.
- ✔ accurate & comprehensive reading - this multifunctional device tests the 6 most important measures of water quality: ph, total dissolved solids (tds), electrical conductivity (ec), salinity, specific gravity (sg) and temperature.
- ✔ intelligible & minimalistic design – its straightforward display makes it easier to read and monitor. designed with a simple layout and color combination, this water quality monitor doesn’t distract the attention from the aesthetic of your fish tanks or aquariums.
- ✔ this meter is best suited for hydroponics system, fish tanks, aquariums, pool, spas, household drinking water storage and other applications that need efficient water quality monitoring
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Product Highlights
- There are 12 high-power ir lights on camera. images turns black and white when the light is dark.
- Camera: fish model design, waterproof and durable aluminum alloy material on the camera body. waterproof level: ip68
- Hd 1000 tv lines camera w/ 7 inch tft color monitor provides super clear image. there are 12 high-power ir lights for the camera light source
- Battery using time: about 8 hours when the battery is fully charged. when it's being charged, the indicator light on the charger is red, and it will turn green when it's fully chargedh model design, waterproof and durable aluminum alloy material on the camera body. waterproof level: ip68
- Application field: ice/lake/ocean fishing, swimming/diving/snorkeling, monitoring aquaculture, underwater exploration
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Product Highlights
- Crystal-clear audio - with an epoxy-coated crossover, this marine/car speaker directs highs and lows to their respective drivers, delivering powerful bass. with 80w rms and a 50-40khz frequency response, the result is a pristine, high-quality car sound system
- Splash-proof sound system - with ip56 advanced ultra-marine certification, this polk speaker is tested to withstand salt fog, uv rays, and humidity. its waterproof surrounds, composite cone, stainless steel mounting hardware, and abs basket resist corrosion
- Polk's constant innovation and unwavering commitment - with advanced technology and engineering, polk bring out the best in class audio with powerful speaker series, smart speakers, soundbars, and more, allowing you to sit back and listen with your heart
- Flagship speaker for car & marine - the polk mm522 2-way coaxial ultra-marine certified speaker with 240w peak power and 4-ohm impedance features a 5.25" titanium-plated composite woofer cone, 1" terylene fabric tweeter, and santoprene rubber surround
- Resonance-free sound creation - with dynamic balance, a polk audio proprietary technology, this marine speaker uses laser imaging to identify the best combination of speaker materials and ensures a distortion-free response with wide sound dispersion
- Easy to install - polk provides mounting hardware and stylishly designed grilles that not only enable easy installation but also add a touch of flair to the vehicle's interior, making it an ideal choice for custom installations
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Product Highlights
- 【universal battery monitor】the product automatically recognizes and detects the current in both charging and discharging directions. when charging, the color of the current in the display module is green; when discharging, the color of the current in the display module is blue. suitable for a variety of batteries: ternary lithium batteries, lead-acid batteries, lithium ...
- 【support mobile app control】 after the app is downloaded and installed, you can view all relevant data and curves on the app through the connection, and set all functions through the app.the mobile phone app has the function of viewing the curve, which can display the real-time curve and historical curve of voltage and current, and supports the export of historical data.
- 【easy to read】the display module adopts a 2.4inch hd color lcd screen, the display is clearer; the buttons are made of silica gel, which increases the comfort of a good feel on the basis of good operation fluency and fast response speed.
- 【accurate measurement】the shunt and screws are made of pure copper material, which has good conductivity, low heat generation and low power consumption. in the standby state, it will not consume too much battery power.
- 【multifunction】the product can be set with over-voltage, under-voltage, over-current, over-power, and external over-temperature protection. when the value exceeds the protection value range, the output state of the instrument is closed (need to be used with a relay) to prevent damage to the electrical equipment. the protection recovery time and delay time can be set, su...
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Product Highlights
- 【multi-ports design brings you more choices】this 12 inch tv monitor is designed with hdmi, vga, av, bnc 4 different input ports which meets your different needs. second monitor for pc; monitor for raspberry pi; tv monitor for bedroom; monitor for security cameras; secondary visual monitor for recording studio; extra screen for game consoles, etc.
- 【2 install way: wall install & stand install】eyoyo 12 inch monitor comes with a adjustable stand that can be rotated 180 degree left or right, 35 degree up and 55 degree down. easy to adjust the angle what you need. and it also comes with the vesa 75mm wall mount, easily hang on the wall and saving space for your working table.
- 【12 inch tft lcd monitor】 eyoyo 12 inch monitor comes with 1366*766 resolution and 16:9 ratio. and it is equipped with tft lcd techology which makes the image quality is more delicate and realistic, the colors are richer, delivers you awesome viewing experience.
- 【dual speakers & remote control】build in high-quality dual speakers which provides an immersive experience for you. support audio output function, ear phone. this mini hdmi monitor also comes with the remote control that brings you more convenience.
- 【eyoyo, your ideal choice】this small hdmi monitor comes with 4 input ports, easy for your work and life. 12 inch perfect size, enough large screen to watch and easy to move. also comes with remote controller bring your more convenience. would be a nice gift choice for father, mother, husband, children, friends, etc.
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