1High quality material, flexible cable, easy to use 2Just connect the positive and negative wires to your battery or power supply 320cm long pre wired led with 3/5/10mm lamp beads 4Energy saving, low power consumption 5Perfect for hobby lighting, car, boat, industrial, camera, toys, DIY computing, costume design and more 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 3/5/10mm 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" LEDType(optional): 3mm Red( 1), 3mm Orange( 2), 3mm Blue( 3), 3mm Slow Flashing( 4), 5mm Red( 5), 5mm Orange( 6), 5mm Blue( 7), 5mm Slow Flashing( 8), 10mm Red( 9), 10mm Yellow( 10), 10mm Green( 11), 10mm Slow Flashing( 12) 3mm 5mm 10mm Pre Wired Line Diffused LED DiodesForward Voltage(V) Dominantwavelength(mm)K Reverse current(uA) Power Angle(deg) If=20mAIf=20mAVr=5VMinTypMinTypMaxRed9.0