KOOLERTRON best sellers

#1 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

#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 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

$297.24 on Amazon

#4 🔥 42 Key 40% Macaro Gaming Koolertron 42-Key 40% Macaro Gaming Keyboard - Compact RGB Backlit Mechanical Keypad, Hot-Swappable USB-C Programmable Mini Keyboard for PC/Mac Gamers (Fully Customizable)

$63.07 on Amazon

#5 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

#6 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

#7 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

#8 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

#9 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

#10 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

$253.51 on Amazon

#11 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

$31.59 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 5" LCD Digital Microscope Koolertron 5" LCD Digital Microscope Video Microscope with in-Line Control,1000x,Support SD Card,1080FHD USB Microscope with WiFi Function and Metal Stand, Compatible with Windows iPhone Android iPad

$44.99 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 One Handed Mechanical Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers

$69.99 on Amazon

#16 Single Handed Macro Mechanical Koolertron Single-Handed Macro Mechanical Keyboard, Blue LED Backlight Portable Single-Handed Mechanical Gaming Keyboard 48 Fully Programmable Keys Red Axis

$82.99 on Amazon

#17 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

#18 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

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

$208.99 on Amazon