ReviewsOptical Identification

Prepared Human Animal Blood Smear Microscope Slides Set for Biology Science Education, Pack of 5pcs Different Kinds Specimens by DIY-SCIENCE

Set of 25 prepared slides, including plants, insects, and animal tissues, for use in biological education.
Samples preserved in cedar wood oil and sealed with a coverslip to preserve specimens.
Labeling provides specimen identification.
Slides are composed of optical glass for clear viewing.
Set comes in fitted wooden storage box to prevent breakage and ease handling.

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Fiber Visual Fault Locator 30mW 30KM, VFL Fiber Optic Cable Tester Meter, Red Light Pen Tester Adapt LC/FC/SC/ST Interface, Fiber Network Cable Test Kit Fiber Light Source Testers(Aluminum)

【Accurate Identification】This visual fault locator can easily and accurately detect and locate fiber optic breaks, poor connections, bending or cracking. It can operate either in CW or Pulsed mode. VFL will emit a 650nm red light for fiber tracing and locating, breaks or faults will refract the light in the fiber..
【Excellent Functions】The fiber tester multiple functions include constant output power, lower battery warning, long battery life, and long-distance detection. Fiber routing and continuity checking efficiently, creating a bright glow around the faulty area..
【Wide Application】Universal 2.5mm connector designed for LC, ST, SC, FC interferes both in the circle and square shape of different fiber optic cables, test for both single-mode and multi-mode cables. Apply To: Integrated wiring systems and Fiber Optic engineering.
CATV Engineering optic network Maintenance.
【Detection Distance】This visual fault locator has a strong light source output power of 30mW, constant output power the strong red light goes 20-30 kilometers far in fiber optic cable, high effective power circuits provide stable power, continuous-wave and pulsed ....

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10KM Fiber Optical Power Meter with Visual Fault Locator Optic Cable Tester Checker and FC-LC Adapter Test Tool for CATV Telecommunications Engineering Maintenance

Easy and Accurate Identification - It can easily and accurately detect and locate fiber breaks, poor connections, bending or cracking..
Universal Connector - the connector of the detector is compatibly designed for ST, SC, FC interferes both in circle and square shape of different fiber optic cables.

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Money Counter Machine with 3 Screens UV/MG/IR/MT Counterfeit Detection Denomination Bill Counting, 8 Modes（Add/Batch) 1,000 Notes/Min

...ght side, and a additional one. You can count on site and let everyone know how you did clearly. Carrying handle on the top makes this bill counter can be taken with you when you have fund raising events.
4 Accurate Counterfeit Money Detection: This money counter adopts 5 detections: MG/UV/IR/MT/DD. Relying on image identification and multi-optical analysis technology, accurately identification of counterfeit and residual banknotes can be easily done. A clear alert message(Red screen, beep sound) will show up if a suspect bill (counterfeit or residual money) is detected..
8 Counting Modes: Common modes in bill counter such as Auto/ Manual/ Count/ Add (ount over multiple batches)/ Batch(Set the money counter to the specified batch count of your choice) etc. We also designed a quick RESET Mode on the right side of this cash counter. You can sit down to count money..
MAX 200 Bills Counting: Our money counting machine has large capacity holder for 200 bills, able to place a good amount of bills without issue. Built-in high-speed motor and widened impeller contributes to counting speed ≥1000 sheets/minute smoothly, no jam or bill flying. This cash counter saves lots of time so that you can focus on other aspects of my business..

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Money Counter Machine with UV/MG/IR Counterfeit Detection, Portable Bill Counting Machine with Add & Batch Modes, LCD Display, 1,000 Bills/Min

【Counterfeit Money Detection Technology】MG (magnetic detection), UV (ultraviolet detection), IR (infrared detection) and MT (metal wire) are all core counterfeit money detection technology applied in this money machine. Relying on image identification technology and multi-optical analysis technology, accurately identification of counterfeit and residual banknotes can be easily done through detection of ink on paper, magnetic map, size, paper quality, thickness....ect..
【7 Counting Modes to Choose】Common modes such as add, count and batch, etc.,are more convenient and quick to count money. In add mode, the machine can add multiple batches together to give you a total amount of bills.
In batch mode, Set the machine to count bills in a batch of your choice. Automatic and manual mode of this money counter can be switch freely..
【Counterfeit or Residual Banknote Warning】Once the money counter detects counterfeit or broken banknotes (cracks, folded corners, continuous sheets, half sheets, holes of bill), the LCD will screen turns red and a warning sound beeps will be herded. You can also turn off all anti-counterfeiting detection functions and only quickly count and bundle banknotes. Suitable for all versions of the US dollar currency(New US doll....

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40X Metal Illuminated Jewelers Loop Magnifier Glass, JLY Loupe Magnifier with Light and Pocket Folding, Handheld Jewelers Eye Loop for Jewelry Identifying, Currency Detecting, Rock Collecting, Stamps

...welry eye magnifier can see what the naked eye cannot with two high quality ultra-bright LED lights. Loupe magnifier with bright LED light is particularly helpful for see objects clearly details in low-light or darkness. Jewelers loop with light for viewing diamonds and other gemstones. Has UV light for counterfeit identification of paper currency, geology study, credit cards, and traveler's checks..
Powerful 40X Magnification Without Optical Distortion: Optical glass that is 25 mm triplet lens. The jeweler's magnification loop has great 40X magnification power, so you can get an extremely close view of the tiniest details. Make jeweler loop magnifier become a great product for the watch making industry, inspecting tiny objects, reading small text or inspecting gems and diamonds..
Full Metal Jewelers Loupe: This lighted jewelers loop is built from durable high quality full metal. Impact- Resistant frame endures drops and shocks. Jewelers eye loupe durable enough for your daily using.It has a dual bright LED light and UV light. Jeweler magnifying glass compact and lightweight pocket. Portable magnifying glass working anywhere. Magnifying jewelers loop requires 3 LR1130 batteries (Batteries are Included)..
Easy To Carry Size: 40x Jewelers loupe magni....

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Wanapure 10× Metal Jewelry Loop Magnifier, Jewelers Eye Loupe Includes Drawstring Bag and Adjustable Lanyard, Pocket Illuminated Magnifying Glass for Gems, Rock Collection

... the wrist and the other for the hanging neck. They are all adjustable, which will make it easier for you to use it..
BRIGHT 3 LED LIGHT – Jewelry loupe can see objects clearly even in low lit areas with this dual LED light source, another light illumination is great for identification of counterfeit paper currency, passports, paintings, geology study, organic matter. Powered by 3 LR1130 button batteries (Installed) so the loupe is ready to use the day you open the box..
High QUALITY & HIGH CONFIGURATION LENS – Eye loupe is built from durable metal with an optical glass that is 25mm in length and has a dual bright fluorescent LED light and UV lamp. And it is all metal constructed and has a metal folding cover to protect the lens from damage..
POCKETS SIZE & FOLDABLE DESIGN – Measuring 2.16” x 1.14” x 1.06” (folding), it is convenient to carry and you can use it anywhere. Foldable design makes it easy to use, just pull out the jewelry magnifier to use, and put it back when not in use..
MULTIPURPOSE USES – Jewellers, watchmakers, geology study, botany tool,....

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Wired Mouse Computer Mouse with RGB Backlit 4 Adjustable DPI Up to 7200,USB Corded Mouse 6 Programmable Buttons,4 Colors LED Lights Ergonomic Optical Mice for PC Laptop,Windows Vista Linux(Grey)

[4 Adjustable DPI]Wired mouse up to 7200 DPI (the current default DIP is 1200 blue/2400 pink/4800 red/7200 purple),4 Levels DPI each with distinct LED color option for quick identification.DPI button,you can adjust the DPI easily.High precision optical mouse,keep your work and games under control..
[Ergonomic Design]Ergonomic shape and smooth surface for an incredible user experience,Comfortable touch, good hand-feeling !Comfort during those long gaming or work sessions..
[4 Different RGB Backlight] This RGB optical mouse has internal logo light and a bottom edge light ring bar, can offer 4 RGB backlit effect,LED light colors that changing automatically while in use, create a outstanding visual feast for daily use and enhance the competitive atmosphere for gaming needs, more cool when using..
[Plug and Play,Wide Compatibility]The simple USB corded mouse, just plug and play, very easy to use Eliminates the trouble of replacing batteries, can save your time and improve your work efficiency.Compatible with Windows-based PC:Windows 10/8/7, Windows Vista, or Windows XP,Limited Mac OS support and USB port,Linux operating systems..
[Reliable Quality and After-Sale]Tested over 3 million times keystroke life, buttons with neat rebound and good feedback. It is you....

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Redragon K556 RGB Mechanical Gaming Keyboard M908 MMO Gaming Mouse Bundle

This bundle includes a K556 gaming keyboard and a M908 Mouse..
K556 Keyboard: The mechanical brown switch offers the best tactile typing experience, also being ever so slightly quieter, fitting for office or gaming use. And you will get 8 spared switches as a gift..
K556 Keyboard: RGB LED adjustable lighting with 6-themed backlights -18 lighting models. You can also adjust their brightness with FN+“↑”and“↓” Besides, there is a 9-color single backlit mode for this keyboard..
M908 Mouse: This optical gaming mouse is designed with up to 12400 DPI, 5 adjustable DPI levels (500/1000/2000/3000/6200 DPI) meet your multiple needs, either for daily work or gaming. DPI can be adjusted freely by ±100 from 100 to 12400 via software. 1000 Hz polling rate, 30G acceleration and high-precision Pixart PAW3327 Sensor giving you a greater edge over your competition..
M908 Mouse: 16.8 million RGB LED color options (LED Backlight can be disabled). 18 programmable buttons, 5 memory profiles each with a dedicated light color for quick identification. Comes with 8-piece weight tuning set (2.4g x8), easy to change the weight to suit your games..

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Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists

Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..

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Double Lens Headband Magnifying Glass Head-Mounted Binocular Magnifier 1.5X 2X 2.5X 3.5X Optical Headset Magnifying Visor Reading Magnifier Jeweler Loupe with 4 Lens for Electronics Watch Repair

Material:ABS, acrylic optical lens, metal accessories.
durable and impact resistant, lightweight shell frame..
The Headband Magnifying Glass with 4-level magnifications:1.5X, 2X, 2.5X, 3.5X.
Lens Focal Length:20 inch, 10 inch, 8 inch, 4 inch..
head-mounted and dual lens design, 4 magnification lens plates can be interchangeable, to meet your different....
The head leather pad and adjustable headband for more comfortable and tight head wearing, ideal hands-free magnification tool for improved efficiency....
Perfect for electricians, sewing, crafts, painting, reading, knitting, soldering, model building, coins, stamps, jewelry identification, watch and....

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