3D Printing Pen SUNLU SL-300 Options:Only 3d Pen It uses a capacitive humidity

It uses a capacitive humidity sensor and a thermistor to measure the surrounding air

Like the Leonardo board

5AA*8) not included

With 4pcs M3 Mounting Holes

modularity

3D Printing Pen SUNLU SL-300 Options:Only 3d Pen It uses a capacitive humidityThe SL 300 3D pen is a handy, top quality 3D pen that is ideal for children, creative people and 3D enthusiasts. Ergonomic design & easy use: The ergonomic design and the high quality workmanship of the pen guarantee comfortable handling and good results. Fast heating: The 3D pen heats the filament in about 45 seconds. Built in display: With a built in display, you always have an overview of the status of the 3D pen, such as the temperature. Low