(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi-Colored - 5 Color) Multi-colored - 5 Color sold2025 And pH meter uses a

And pH meter uses a 3-point calibration method

you can print directly on the HICTOP PEI sheet without using any glue or other tools to help the model to stick onto the sheet

It is made of PVC (polyvinyl chloride) for chemical and corrosion resistance

Frequency: 50-60Hz

Hook Eye: 13/16"

(100 Pcs) MCIGICM 5mm LED Light Diodes, LED Circuit Assorted Kit for Science Project Experiment (Multi-Colored - 5 Color) Multi-colored - 5 Color sold2025 And pH meter uses a(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,