One Quad Power LED spotlight and 1 Double Power white LED emit 500 lumens (max. setting).
Brightness memory allows you to turn the light on and off at a chosen brightness without reverting back to full power.
Red, Green and Blue night vision modes cover the spectrum of night vision needs.
Three-level power meter shows remaining battery life for three seconds after switching on headlamp.
IP67: waterproof and dust proof-best for saltwater and extremely wet or dusty environments. Unit is completely sealed and tested to operate up to 1....
Ade Advanced Optics aaosal Professional Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, Hydrometer, 0-100 ppt and 1.000-1.070 Salinity S.G.
Resale quality - 50 percent heavier than the soft case cheap units.
Designed for Intex boats, includes Challenger 3, Seahawk 2, 3, 4, Excursion 3, 4, 5 and Mariner 3 and 4. Compatible with most inflatable boats that....
Control panel: Battery meter, automatic escape weed control key, dry operation protect, overload protect controls..
Pen Type Salinity & Temperature Meter ATC NaCl Salt Water Quality Tester for Saltwater Aquarium Hydroponics Food
MEASURING RANGE: 0~9999 ppm or 10.0ppt~100.0ppt or 0.0%~10.0% or 0.950~1.080 (S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy.
DISPLAY: Dual Temperature and Salinity in four measurement units (ppm, ppt, %, S.G) / 30 x 18mm LCD Size.
APPLICATION: Salinity measurement in fish pond, tank, aquariums, laboratories, food processing, hydroponics, Aquaculture, and other water monitoring facilities..
FEATURES: Waterproof IP65 / One touch calibration / Auto power off and Non-Sleep mode disable / Multi points calibration.
POWER SUPPLY / SENSOR : 4 x LR44 button batteries.
Mares Puck Pro Plus Dive Computer Wrist Watch, White Black (414135-WHBK)
Super Intuitive, Easy-to-Use, Full-Featured RGBM Nitrox Computer, Larger-Display in Slimmer-Design, Upgradeable Firmware & Multi-Gas Capability..
Precision Stopwatch, Special Function Modes Air, Nitrox & Bottom Time, , Durable Metal Button, Upgraded Interface, Precautionary Programs Setting, Ascent Rate Indicator and Ascent Rate Digital Indicator..
Plan Mode, Backlighting, Log Book, 3-Level Salinity, Fresh Water Setting, Sea Water Setting, Aquarium Salinity Setting, Residual Nitrogen Memory Reset, Quartz Clock Movement..
User-Replaceable CR 2450 Lithium-Ion Battery, Fully Altitude Adjustable to 12,100' (3,700m) Memory Capacity 36 Hours, Superior Display Readability, Mineral Glass Crystal..
492' (150m) Depth Rating, Power Indicators, Audible Alarms, Watch, Date and Temperature Displays, 12/24 Hour Formats, Two-Different Gas Mixtures During-Single-Dive, Metric or Imperial Units of Measure..
Measures pH/EC/TDS (ppm)/Salinity/Temp. in a quick and professional manner.
Replaceable multi-parameter probe with easy installation.
When the smiley face icon stays on screen, it's the right time to record the measurements..
LARGE Clear LCD screen with 3 backlit color (indicating 3 different modes), dual display of temp. + pH/EC/TDS/Salinity, and icons of completed calibrations and stable readings.
Complete kit with ready-to-use calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a portable carrying case.
