Reviews Optical Semiconductor

Northbear Thermoelectric Peltier Refrigeration Cooling Cooler Fan System Heatsink Kit Cooler (2 Fan)

  • This module installation is assembled and you do not need to use your hands.
  • Power: 12VDC 6A (not include in this Kit).
  • Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques.
  • Tips: cold end frost require ambient temperature is low, is not what the environment can be frost, frost general ambient temperature below 25 degrees.
  • A medium sized humidor basically for seasoning. With a temp controller, this keeps the inside of the humidor.
Check Stock

Come Home Safe: A Novel (Blink)

  • ...ion. This security safe has a pry-resistant steel door and concealed pry-resistant hinges to offer you complete peace of mind. It ensures that your cabinet safe is stronger and more durable. If necessary, you can fix it on the wall or the ground..
  • ✅【RELIABLE FINGERPRINT LOCKING SYSTEM】: Tenamic uses the better semiconductor fingerprint reader, which is more accurate and faster than ordinary optical fingerprint reader! The stronger solid steel structure makes it impossible for others to use violence to open it from the outside. Only use the fingerprint or password you set or emergency key, the door will open..
  • ✅【BETTER CONFIGURATION】: Tenamic security box has the newest design. As soon as you open the box, the light will light up, and it will automatically go out after 30 seconds. Not only that, the inside of the safe is covered with leather, it can prevent your valuables from being worn out..
  • ✅【NECESSARY ALARM SYSTEM】: Tenamic home safe has a good alarm system. 5 continuously wrong fingerprint or 3 wrong password entries will activate the warning beep for 20 seconds. Enter the correct fingerprint or password can stop the alarm..
  • ✅【SIZE AND PACKAGE】: Exterior Size: 11"*13.8"*10". Interior size: 10.6"*13.4"*9.7" (Please pay attentio....
Check Stock

CatXQ Semiconductor Cooler for ipad/Tablet/Phone/Switch Gaming Cooling Case

  • CatXQ Semiconductor Cooler Fan Compatible with All Smart Phone (for iPhone / for Samsung), Tablet (for iPad / for Amazon Fire HD / for Surface / for....
  • Semiconductor Refrigeration Technology:The refrigeration principle of refrigerator is adopted to cool the mobile phone quickly,when playing Fortnite,....
  • RGB Atmosphere Lamp,High brightness lamp beads form RGB ring lamp belt, with high-speed fan rotation, a variety of light effect random change, give....
  • Powerful heat sink: The cooling fan prevents the phone from overheating while playing the game console, extending the life of the phone and battery..
  • Package Include: CatXQ Phone Cooler, 1M USB to TYPE-C Cable, 3 pairs of telescopic clamps(1 pairs black,2 pairs blue).Customer Service Team is....
Check Stock

High Purity Silicon Metal Element 14 Semiconductor Monocrystalline Si Block(50g)

  • HIGH QUALITY: 100% brand new and high quality. 99.99% high purity monocrystalline silicon block..
  • GOOD FEATURE: Monocrystalline silicon has a diamond lattice, the crystal is hard and brittle, has a metallic luster, can conduct electricity, but has a conductivity lower than that of metal, and increases with temperature, and has semiconductor properties..
  • ENERGY CONVERSING: It can also be used to make solar cell, conversing solar to electricity..
  • USAGE: It is the raw material for manufacturing semiconductor silicon devices, used to manufacture high power rectifiers, high power transistors, diodes, switching devices, etc..
  • SATISFACTION GUARANTEE: We care for every customers feeling.If this product does not meet or exceed your expectations,please send it back for a 100% refund no questions asked..
Check Stock

12V 240W Thermoelectric Cooler Peltier Semiconductor Refrigeration Cooling System Cold Plate Cooler with Fan

  • WIDE APPLICATION: It can be used for small space refrigeration, for example,test bench cooling，flat product cooling, pet bed cooling, etc Also suit for small space cooling, semiconductor refrigeration learning theory, research solutions developed cooling equipment planning..
  • STABLE: This thermoelectric peltier has 4 chips and 4 fans, can provide a stable performance, and has a long service life..
  • NO REFRIGERANT REQUIRED: This thermoelectric peltier do not refrigerant , very convenient to use..
  • SIMPLE OPERATION: This kit has been assemble well，you only need to connect the lines before use..
  • COMPACT DESIGN: This semiconductor refrigeration adopted a compact design(23.5 * 20 cm) , can be used on many project..
Check Stock

Alcohol Breathalyzer Portable Breath Tester LCD Display Digital Alcohol Test Detector Breath Alcohol Analyser Tester Breathalyser Lie Detector Blue Color ABS Material

  • >>>[Function]: Breathalyzer Keychain Digital Alcohol Tester Detector is used to measure the alcohol concentration in the human body. This portable breath tester uses a sensitive semiconductor sensor that can quickly give results to judge whether you can drive..
  • >>>[Fashionable Keychain Design]: Breath Analyzer saves space and is light in weight. It is easy to hold and carry. The pocket size allows you to carry it anytime, anywhere to ensure safe driving after drinking..
  • >>>【High precision and sensitivity】: This alcohol breath tester can be used to measure the alcohol concentration in the human body. Built-in sensitive semiconductor sensor, detection range: 0.00-0.19% BAC 0.0-1.9g/l (or 0.00-0.95mg/l BRAC). It can quickly give results within 3-5 seconds to judge whether you can drive, and provide you with high-precision test results. (The error is less than 0.01% BAC).
  • >>>[Large Digital LCD Screen]: Digital LCD Screen Alcohol Breath Tester uses a large LCD screen, which can clearly display....
Check Stock

SWIFT Digital Professional Trinocular Stereo Zoom Microscope,WF10X Eyepieces,3.5X-90X Magnification,0.7X-4.5X Zoom Objective,56-Bulb LED Ring Light, 0.5X 2.0X Additional Objectives,Table Pillar Stand

  • Professional stereo microscope for researchers, gemologists, engravers, collectors and anyone in semiconductor and electronics industries. It is also a perfect microscope for biological laboratory applications that require low heat release..
  • Two wide-field 10X eyepieces and the 7X-4.5X zoom objective lens to offer magnification range of 7X-45X.
  • 6.4:1 large magnification zoom range and 4" (100mm) long working distance, as well as provides crystal clear sharp images..
  • The trinocular head is tilted at an ergonomic 45-degree angle to decrease eye and neck strain.
  • a full 360-degrees of rotation allows you to view specimens from any angle.
  • our optical system is designed for comfortable observation, even for eyeglass-wearers..
  • Includes a powerful 56-bulb LED ring-light to flood the field of view with brilliant, shadow-free illumination cool enough for working with temperature-sensitive specimens. Rugged construction with a sturdy metal base and plain stand that allows for work with objects..
  • 100% satisfaction guaranteed, all microscopes come with five (5) year warranty against manufacturing defect. Reliable and friendly customer service, if you have any questions, please contact us at any time..
Check Stock

LEDMALL Bluetooth Motion Full Spectrum 7 Color with White Star Effects Laser Christmas and Decorative Lights with Remote Control

  • Party and decoration like never before with the new LEDMALL 7 color White laser lights with bluetooth speakers.
  • High quality bluetooth speaker is integrated in this newly designed laser garden lights, you can play any music you like which the lights projects....
  • using patented advanced optics to achieve high crispy semiconductor white color with two step optics using semiconductor blue, red, and green laser....
  • RF remote control With Timer setting 2, 4, 6 and 8 hours durations, and with flashing mode capability, please reset remote and light periodically when....
  • Bulb uses < 5mW and has a Class 3R Classification or lower, Waterproof IP 65: IP65, PLUG and Play with long power cord with good range flexibility,....
Check Stock

Dual-core Thermoelectric Peltier Cooling System Semiconductor Refrigeration Cooler Kit with Power for Plate Cooling Pet Bed Cooling etc

  • 【Bingo Choice】: Our dual-core thermoelectric peltier cooling system is suitable for small space cooling,semiconductor refrigeration learning theory, research solutions developed cooling equipment planning.
  • 【Wonderful Characters】: This semiconductor refrigeration cooler kit with power has stable working status and low noise, it doesn’t need refrigerant.
  • 【Wide Range of Applications】: This thermoelectric cooler can used for plate cooling, pet bed cooling, test bench, small space cooling.
  • 【Note】: Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, seal ability, etc.
  • 【Extra Usage】: This dual-core cooling system kit can be used as dual-core cooling, air cooling device, cooling equipment.
Check Stock