1、High quality material, flexible cable, easy to use 2、Just connect the positive and negative wires to your battery or power supply 3、20cm long pre wired led with 3/5mm lamp beads 4、Energy saving, low power consumption 5、Perfect for hobby lighting, car, boat, industrial, camera, toys, DIY computing, costume design and more Description: These bulbs are perfect. They already have the diode on them, so all you have to do is hook up the wires to a power source and go. You can use one color or mixed these with some other colors. They are perfect for hobby lighting, car, boat, industrial, camera, toys, DIY computing, costume design and more. Features: High quality material, flexible cable, easy to use. Just connect the positive and negative wires to your battery or power supply. 20cm long pre wired led with 3/5/mm lamp beads. Energy saving, low power consumption. Perfect for hobby lighting, car, boat, industrial, camera, toys, DIY computing, costume design and more. Specifications: Wire Length: About 20cm / 7.87" 3mm Red Light(#1), 3mm White Light(#2), 3mm Yellow Light(#3), 5mm Red Light(#4), 5mm White Light(#5), 5mm Yellow Light(#6) 3mm 5mm Water Clear Flash Light LED Diodes Forward Dominant wavelength(mm)K Reverse current(uA) Power Angle(deg) If=20mA If=20mA Vr=5V Min Typ Min Typ Max Red 9.0 12.0 620 630 20 30 Yellow 9.0 12.0 580 590 20 30 White 9.0 12.0 5000 6500 20 30 Package Includes: 50pcs x Pre-wired Flash LEDs Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.