KOOLERTRON best sellers

#1 DDS Signal Generator Koolertron DDS Signal Generator Counter, 2.8in Screen Display 80MHz High Precision Dual-Channel Arbitrary Waveform Generator Frequency Meter 275MSa/s

$205.99 on Amazon

#2 Upgraded 15MHz DDS Signal Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz)

$118.99 on Amazon

#3 Koolertron Digital Angle Koolertron Digital Angle Finder Protractor Ruler Digital Goniometer with leveler

$16.99 on Ebay

#4 0/4 20mA DC 0 10V Signal Koolertron 0/4-20mA DC 0-10V Signal Generator,2-IN-1Portable Mini Function Generator Built-in 1000mAh Rechargeable Battery,Analog Generator with 4-Digit LCD Display,Accuracy 0.01,for PLC/Panel Testing

$28.79 on Amazon

#5 Mini DDS Signal Generator 1Hz 500kHz KOOLERTRON Mini DDS Signal Generator,1Hz-500kHz Multifunction Waveform Generator Signal Source with 7.83Hz Schumann Resonator, Ideal for Audio Testing, Oscilloscope Calibration, Tracking Down Circuit Faults

$38.89 on Amazon

#6 7" IPS Touch Screen 4K Koolertron 7" IPS Touch Screen 4K H.265 IP Camera Tester - IPC-9800 Plus,CCTV, CVBS, Analog Tester, Built-in WiFi, POE, HDMI, RJ45 TDR, Dual Window, 8GB TF Card, Firmware

$319.99 on Amazon

#7 🔥 12inch Extended Aluminum Koolertron 12inch Extended Aluminum Microscope Stand with 2 Fill Lights, Portable Adjustable Manual Focus LCD Digital Microscope Holder,Aluminum Microscope Lifting Stand for Most Microscopes

$39.99 on Amazon

#8 Mini Phone Microscope Koolertron Mini Phone Microscope with LED Light,Universal Clip and CPL,200X Portable USB Microscope Camera Accessory,Pocket Microscope for Kids and Adults,Compatible with iPhone/Andriod Phone/iPad

$30.99 on Amazon

#9 Microphone Shock Mount Mic Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black)

$16.99 on Amazon

#10 Upgraded 60MHz DDS Signal Koolertron Upgraded 60MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (60MHz)

$159.99 on Amazon

#11 Upgraded 30MHz DDS Signal Koolertron Upgraded 30MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (30MHz)

$138.89 on Amazon

#12 DDS Signal Generator Koolertron DDS Signal Generator Counter, 2.8in Screen Display 60MHz High Precision Dual-Channel Arbitrary Waveform Generator Frequency Meter 275MSa/s Function Generators for Scientific,Laboratories

$188.99 on Amazon

#13 Geiger Counter Nuclear Koolertron Geiger Counter Nuclear Radiation Detector, Rechargeable Precise Radiation Dosimeter with LCD Display, Handheld β γ X-Ray Radiation Monitor Meter Device for Lab Industry Home, 5 Dosage Units

$39.89 on Amazon

#14 🆕 400A RV Battery Monitor 400A RV Battery Monitor with Shunt - Koolertron Bluetooth Smart Shunt with 2.4-inch LED Display Screen, Programmable App Controlled Battery Monitor for 12V Lithium Sealed, Gel, Flooded Batteries

$42.49 on Amazon

#15 Hard Carrying Case Compatible WERJIA Hard Carrying Case Compatible with FNIRSI GC-01/Sutlumisi/Koolertron Geiger Counter Nuclear Radiation Detector Dosimeter

$12.99 on Amazon

#16 7" LCD Digital Microscope Koolertron 7" LCD Digital Microscope with 32G TF Card,12MP 1-1200X Magnification Handheld USB Microscope Camera,8 LED Light,Rechargeable Battery Microscope for Coins/Plant/Insect/Rock/PCB Soldering

$89.99 on Amazon

#17 Mass Air Flow Sensor Koolertron Mass Air Flow Sensor Meter MAF 22680-7S000 Compatible for Nissan Armada Altima Infiniti Suzuki, Frontier,Murano, Rogue, Xterra, FX45 M37,Q45, 14-18 Q70

$9.49 on Amazon

#18 FPS7 Fuel Injection Pressure Koolertron FPS7 Fuel Injection Pressure Regulator Sensor for Ford 1998-2007, for Focus Taurus Mustang GT F150 E150 Explorer, for Jaguar Lincoln LS Aviator Mercury Mercury, 3R3Z9F972AA, 3R3E-9F972-AA

$20.89 on Amazon

#19 4.3 inch IPS Digital Koolertron 4.3 inch IPS Digital Microscope,1080P 50-1000X Magnification Handheld Digital Microscope with 32g TF Card,8 LED Light,Rechargeable Battery Microscope for Coins/Plant/Rock/PCB Soldering

$55.99 on Amazon

#20 PCV Valve Engine Crankcase Koolertron PCV Valve Engine Crankcase Vent Oil Separator with Breather Hose Exhaust Pipe Kit for Audi Quattro A3-5 Q5 Allroad VW Beetle Tiguan Jetta Passat Skoda Replacement Part NO.06H103495/A/AC/B/E

$28.89 on Amazon