100Pcs 3Mm Luminous Color Yellow(Colloid Color Yellow) 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: Yellow, Luminous Color: YellowLamp diameter: 3mm/ 0.12 inchForward voltage: 2VMax current: 20mARound top, 2 lead wires, Polarity: anode (longer part)/cathode (shorter part).Pin Length: 21.3-23.3mm / 0.84-0.92 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 (2V) 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.