KOOLERTRON best sellers

#1 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

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

$149.89 on Amazon

#3 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)

$13.29 on Amazon

#4 LCD Digital Microscope Koolertron LCD Digital Microscope Stand, 12inch Aluminum Extension Arm with 2 Fill Lights, Adjustable Manual Focus Holder for Soldering, PCB Inspection, Coin & Jewelry Observation

$37.99 on Amazon

#5 🔥 7" IPS Touch Screen 4K Koolertron 7" IPS Touch Screen 4K H.265 IP Camera Tester - POE/WiFi, CVBS Analog Tester, HDMI Output, RJ45 TDR, 8GB TF Card, Dual Window Test, Firmware Upgrade

$299.91 on Amazon

#6 Dual Channel PWM Signal Koolertron Dual-Channel PWM Signal Generator, high-Precision servo Motor Driver, Square Wave Pulse Wave, Adjustable Frequency, Duty Cycle, Phase, etc., with Storage Function

$22.69 on Amazon

#7 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

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

$132.89 on Amazon

#9 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

$278.63 on Amazon

#10 Programmable DDS Signal Programmable DDS Signal Generator Counter,Koolertron Upgraded 80MHz 3.5inch Screen High Precision Dual-Channel Arbitray Waveform Function Generator Frequency Meter 300MSa/s

$282.99 on Amazon

#11 Aluminum Alloy Microscope Koolertron Aluminum Alloy Microscope Stand Portable Adjustable Manual Focus Digital USB Microscope Holder Support Adjusted Up and Down

$19.99 on Amazon

#12 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

#13 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

#14 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

#15 DDS Signal Generator Koolertron DDS Signal Generator Counter, 2" Screen Display 25MHz High Precision Dual-Channel Arbitray Waveform Generator Frequency Meter 200MSa/s

$89.89 on Amazon

#16 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

#17 One Handed Mechanical Koolertron One Handed Mechanical Gaming Keyboard, 48-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with RGB LED Backlit, for Windows PC Gamer

$71.90 on Amazon

#18 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

#19 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

#20 🆕 One Handed Mechanical Koolertron One Handed Mechanical Gaming Keyboard with 24 Macro Keys, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, Blue Backlit, for Windows PC Gamers

$65.43 on Amazon