12V dc fan  8025 Cooling Fan  Size:80*80*25MM

Arduino Nano 33 IoT with headers

BBT-580 Automatic De soldering Machine 30W Automatic Suction Tin Tool Repair Tool  

USB Male Head to Dip, 2.54mm Direct 4P Adapter Board, USB to 2.54mm Pin

DIY Universal Acrylic Experiment Platform for Arduinouno and MEGA 2560 R3

SIM808 GSM/GPRS/GPS Bluetooth Compatible Development Board With GPS Antenna COM45 ,R17

Digital 1200X G1200 Microscope Electronic Video Microscope 7inch LCD 12MP Solder Phone Repair Magnifier Built-in Battery  

Disposable ECG EKG Electrodes Medical Electrode ( 3 PCS PER BAG )Diameter 50mm Electrode Pads     

"Nextion NX8048T050 5 inch Resistive Touch Screen Man-machine interface HMI kernel

Nextion NX4024T032 3.2 Inch display Man-machine Interface HMI Touch Screen

ProsKit 8S005 Soldering Paste Flux [50g]

proskit sd-9802 31 IN 1 Precision Electronic Screwdriver Set