ReviewsCold Cathode Lamp

2 Pack DC 12V 36 LED Car Truck Van Vehicle Auto Dome Roof Ceiling Interior Light Lamp White With On/Off Switch for Cars Vans Camper Vans & Taxis

SLIM DESIGN: The dimensions of 12V car dome lights are 4.09*2.76*0.83inch, which occupying little space. It is a perfect solution for limited space.....
GREAT PERFORMANCE: The LED dome lights ard designed with 36 LEDs chips, it is super bright and low power consumption, which can up to 50,000 hours..
ON/OFF DESIGN: The on/off design takes you more convenient. And more, it can help to develop the habit of turning off the lights in order to save....
WIRE CONNECTION: Red wire for the anode, black wire for the cathode, yellow wire for door lamp. The package comes with screws and wire, easy to....
WIDE APPLICATION: The car interior dome light can be used on vehicles of DC 12V. It not only both for vehicle veiling & door, but also is good for....

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uxcell Common Cathode 10 Pin 1 Bit 7 Segment 1.1 x 0.79 x 0.35 Inch 0.55\ Red LED Display Digital Tube 10pcs

Panel Size: 19 x 12.7 x 8mm / 0.75" x 0.5" x 0.31" (L*W*H).
Total Size: 19 x 12.7 x 14mm / 0.75" x 0.5" x 0.55" (L*W*H).
Package Content: 10 x LED Digital Display Tube.

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uxcell Common Cathode 10 Pin 2 Bit 7 Segment 1.41 x 1.02 x 0.39 Inch 0.8\ Red LED Display Digital Tube 2pcs

Panel Size: 35.8 x 25.8 x 10mm / 1.41" x 1.02" x 0.39" (L*W*H).
Total Size: 35.8 x 25.8 x 14mm / 1.41" x 1.02" x 0.55" (L*W*H).
Package Content: 2 x LED Digital Display Tube.

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uxcell Common Cathode 10 Pin 2 Bit 7 Segment 0.59 x 0.55 x 0.28 Inch 0.35\ Red LED Display Digital Tube 5pcs

Panel Size: 15 x 14 x 7.2mm / 0.59" x 0.55" x 0.28" (L*W*H).
Total Size: 15 x 14 x 13.5mm / 0.59" x 0.55" x 0.53" (L*W*H).
Package Content: 5 x LED Digital Display Tube.

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uxcell Common Cathode 12 Pin 4 Bit 7 Segment 1.18 x 0.55 x 0.28 Inch 0.35\ Red LED Display Digital Tube 5pcs

Panel Size: 30 x 14 x 7.2mm / 1.18" x 0.55" x 0.28" (L*W*H).
Total Size: 30 x 14 x 13.5mm / 1.18" x 0.55" x 0.53" (L*W*H).
Package Content: 5 x LED Digital Display Tube.

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uxcell Common Cathode 11 Pin 3 Bit 7 Segment 0.89 x 0.55 x 0.28 Inch 0.35\ Red LED Display Digital Tube 5pcs

Panel Size: 22.5 x 14 x 7.2mm / 0.89" x 0.55" x 0.28" (L*W*H).
Total Size: 22.5 x 14 x 13.5mm / 0.89" x 0.55" x 0.53" (L*W*H).
Package Content: 5 x LED Digital Display Tube.

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Apera Instruments, LLC-AI1312 Apera Instruments 201T-S pH/Temp. Electrode, 8-pin Connector, The Replacement Electrode for Apera 400/400S Series Portable Meters

3.Glassy carbon electrode is one of the widely used working electrodes. It is a good inert electrode with good conductivity, high hardness, high finish, high hydrogen overpotential, wide polarization range and chemical stability. It can be used as inert electrode for anodic stripping, voltammetric determination of cathode and variable valence ions, and can also be used as chemically modified electrode.
4.The glassy carbon surface must be mirror and clean. Since the surface of glassy carbon is easily polluted by some organic metal compounds, which seriously affects the measurement (no peak, no impurity peak and no recurrence), it must be cleaned before measurement.
5.There are three main maintenance methods, chemical method 1. Nitric acid immersion and scrubbing. 2. Soak and scrub with ammonia water, anhydrous ethanol or acetate 1:1. 3. It can also be scrubbed with alcohol and then soaked in 6nhcl or 4nho3. Electrochemical treatment: repeated polarization (reset scan) (anode cathode to cathode) in the voltage range of + 0.8V - (- 1.8V (0.5mkclph7 except o2i).

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Boreas Handheld Allergen Vacuum Cleaner UV Bed Vacuum Cleaner Kills Allergens/Mite/Bacteria, Large Pulsating Pad True HEPA Filter removes Dander Hair Dust Pollen, for Allergies and Pet, AP002

【Efficient Sanitizing】Boreas bed vacuum cleaner with high penetration UV light can effectively eliminates 99.9% of allergens, bacteria, mites. Special-made thermionic cathode quartz UV lamp is much sturdy and has longer service life..
【Oversized Pulsating Pad】Large pulsating pad vibrates in a high frequency to beat the fabrics and agitate the accumulated dust mites, makes the cleaning more thoroughly..
【Powerful Suction+HEPA Filtration】10kpa suction goes directly to the deep cleaning area. True HEPA filter captures particles as small as 0.3 microns, removes dust/pet hair and dander/pollen/mite debris..
【Flexible & Easy to Clean】Equipped with 5 rollers on the bottom to keep this vacuum cleaner moving flexibly no matter what surface it's on. Detachable and washable accessories are super easy to clean..
【Replacement Filters】Replacemt filter set: B0B4WQKLXG. The filter is washable and reusable, it's recommended to replace it every 4~6 months according to the actual use and cleaning situation..

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Adecco LLC 9 LED Glow in Dark Flashlights, 4 Pack Rubber Coated Small Flashlights with Straps, Portable Handy Lights for Camping, Hiking, Indoor, Assorted Colors

Super Bright 9 LED Flashlights: Material is made of aluminum and covered with rubber, which is soft to the touch and durable. Provide you with plenty of light in the dark night and last for a long time..
Easy to Carry: Kid flashlight are so handy and lightweight to keep in a desk drawer, car, or purse. Nylon lanyard is convenient to hang in any place. Ideal for every day carries and use in all kinds of indoor and outdoor activities..
Various Colors: The package includes Total 4 Packs of 9 LED Flashlights, green, yellow, blue, pink. Runs on 3 AAA batteries but Not Included. Simple on/off push button operation which is on the back of the flashlights..
Kindly Note: Please notice anode and cathode on the battery carrier when installing the batteries. And be sure to distinguish the top(Anode) and bottom(Cathode) of the battery carrier, the flashlight won't work if the carrier is inserted upside down..
100% satisfied: If you have any disappointing part, after-sale team will solve your problem and provide satisfied service within 24 HOURS..

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Adecco LLC 9 LED Glow in Dark Flashlights, 8 Pack Rubber Coated Small Flashlights with Straps, Portable Handy Lights for Camping, Hiking, Indoor, Assorted Colors

【Super Bright 9 LED Flashlights】 Material is made of aluminum and covered with rubber, which is soft to the touch and durable. Provide you with plenty of light in the dark night and last for a long time..
【Easy to Carry】 Kid flashlights are so handy and lightweight to keep in a desk drawer, car, or purse. A nylon lanyard is convenient to hang in any place. Ideal for everyday carries and use in all kinds of indoor and outdoor activities..
【Widely Use】 Runs on 3 AAA batteries but is Not Included. The simple on/off button operation is located on the back of the flashlight. The mini flashlight is suitable for outdoor activities, hiking, adventure, camping, night fishing, walking, hunting, etc..
【Kindly Note】 Please notice the anode and cathode on the battery carrier when installing the batteries. And be sure to distinguish the top(Anode) and bottom(Cathode) of the battery carrier, the flashlight won't work if the page is inserted upside down..
【100% satisfied】 If you have any disappointing part, the after-sale team will solve your problem and provide satisfactory service within 24 HOURS..

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LETOUR Headlamp, Newest Rechargeable LED Headlamp,COB High Lumens Adjustable Head Lamp Flashlight Headlight USB Rechargeable, IPX45 HeadLamps for Camping, Outdoors, Red Light Include

...D headlamp will stay on even in rainy or snowy days. There are quality silicone cover and leakage-resistant, waterproof wiring, all of these create a strong waterproof function..
【SUPER LONG WORKING TIME】This LED headlight comes with a big battery container, you should install 3 batteries(Note that the anode and cathode of the battery are consistent with the "+" and "-" directions in the battery case.), which will greatly extended its working time. Besides, if you lost one or two of the batteries, it can still work with single battery..
【ONE SET FITS WHOLE FAMILY】With the help of the adjustable headband, this rechargeable headlight can pretty much any shapes of head and hard hat, whether you are wearing a helmet or not. It can be always comfortable and suitable. An exquisite and large capacity case, a PERFECT gift for your loves. Please contact us directly if this headlamp has any problems, we are ready to help!.

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