![I don't understand the text about LED's type and power consumption - Electrical Engineering Stack Exchange I don't understand the text about LED's type and power consumption - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/EYoOf.png)
I don't understand the text about LED's type and power consumption - Electrical Engineering Stack Exchange
![609 nm Red LED Prototype from OSRAM Opto Semiconductors Achieves Record Efficiency — LED professional - LED Lighting Technology, Application Magazine 609 nm Red LED Prototype from OSRAM Opto Semiconductors Achieves Record Efficiency — LED professional - LED Lighting Technology, Application Magazine](https://www.led-professional.com/technology/light-generation/609-nm-red-led-prototype-from-osram-opto-semiconductors-achieves-record-efficiency/@@images/2c10ae4f-a4e6-4fdf-af42-e794df170276.jpeg)
609 nm Red LED Prototype from OSRAM Opto Semiconductors Achieves Record Efficiency — LED professional - LED Lighting Technology, Application Magazine
![DROK AC 500V Voltage Meter, 3pcs AC 50-500V 110v 220v Voltage Monitor Digital Larger LED Screen Voltmeter Volt Detetor Green Red Yellow Signal Indicator Light Panel: Amazon.com: Tools & Home Improvement DROK AC 500V Voltage Meter, 3pcs AC 50-500V 110v 220v Voltage Monitor Digital Larger LED Screen Voltmeter Volt Detetor Green Red Yellow Signal Indicator Light Panel: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/71ZLjzH8tVL.jpg)
DROK AC 500V Voltage Meter, 3pcs AC 50-500V 110v 220v Voltage Monitor Digital Larger LED Screen Voltmeter Volt Detetor Green Red Yellow Signal Indicator Light Panel: Amazon.com: Tools & Home Improvement
![5mm Diffused Led Diode Kit Lamp Light Emitting Diode Bulb Indicator 5 Mm White Red Blue Green Orange Yellow 3v Diy Set Assorted - Diodes - AliExpress 5mm Diffused Led Diode Kit Lamp Light Emitting Diode Bulb Indicator 5 Mm White Red Blue Green Orange Yellow 3v Diy Set Assorted - Diodes - AliExpress](https://ae01.alicdn.com/kf/Ha55914a28be34a6db124fc3c2887eb93g/5mm-Diffused-LED-Diode-Kit-Lamp-Light-Emitting-Diode-Bulb-Indicator-5-mm-White-Red-Blue.jpg)
5mm Diffused Led Diode Kit Lamp Light Emitting Diode Bulb Indicator 5 Mm White Red Blue Green Orange Yellow 3v Diy Set Assorted - Diodes - AliExpress
![Amazon.com: ARLETA 10pcs Energy Saving LED Indicator Light Voltage 12V/24V/110V/120V Current 20mA Mounting Hole Size 22mm(7/8 Inch) Green Yellow Red Blue White : Industrial & Scientific Amazon.com: ARLETA 10pcs Energy Saving LED Indicator Light Voltage 12V/24V/110V/120V Current 20mA Mounting Hole Size 22mm(7/8 Inch) Green Yellow Red Blue White : Industrial & Scientific](https://m.media-amazon.com/images/I/71azI-COvVL.jpg)