(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi-Colored - 5 Color) Multi-colored - 5 Color sold2025 This keeps the nut from

This keeps the nut from backing off due to vibration

And pH meter uses a 3-point calibration method

Frequency: 50-60Hz

12 Color 60pcs Colorful Hot Melt Glue Sticks for DIY Art Craft Specifications: 1

(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi-Colored - 5 Color) Multi-colored - 5 Color sold2025 This keeps the nut from(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi Colored 5 Color) Product Features 5mm LED Diodes Kit Includes 100 Pcs 5mm Led lights in a variety of colors. 5 Colors White Red Green Blue Yellow Forward voltage: W G B: 3V 3. 2V R Y: 2V 2. 2V Max. current: 20 mA Head Type Round. Application These LED lights perfect forDIY LED Projects, School Science Experiments, Car Decorations, Signal Indicator,