100Pcs 5Mm Luminous Color Blue(Colloid Color Blue) LED Diode

What is this?This is a fast-blinking LED diode light. It emits a bright, fast-blinking light through a clear lens. It's good for DIY LED projects, science experiments, automotive decoration, PCB breadboard projects, bulb replacement, part replacement, signal indicators, LED maintenance, electronics and electrical experiments, and more.What will I get?Colloid color: Blue, Luminous Color: BlueLamp diameter: 5mm/ 0.2 inchForward voltage: 3VMax current: 20mARound top, 2 lead wires, Polarity: anode (longer part)/cathode (shorter part).Pin Length: 24.6-26.6mm / 0.97-1.05 inch;Packing List: 100 Pcs x LED Diode LightsAre there any advantages of the product?LED light diode is energy - efficient, consuming less power while providing excellent brightness, which helps in reducing energy costs and extending the use life in battery - powered devices. The fast - flashing feature in multiple colors can be used for various signaling purposes, making it more noticeable and useful in different scenarios.How to use it?Insert the longer anode lead (+) to positive voltage (3V) and shorter cathode lead (-) to ground through current-limiting resistor.What should I notice?Always observe correct polarity and use current-limiting resistor; not suitable for wet environments.