You can choose to buy here 1x 5x or 10x E10 Screw base with 6V or 12V Optionally in the luminous color - white - blue - red - green - yellow - pink - 5 LEDs installed each - Suitable for AC & DC voltage - 6000 Kelvin - Type: 5050 SMD - easy assembly without soldering - Plug & Play - Voltage: optionally 6V and 12 V - Socket: E10 - Thread diameter 9.3mm - Diameter LED bead 11.3mm - Total length with setting 29.5mm suitable e.g. for flashlights, speedometer lighting, low-voltage signal lamps Enjoy it :).