KEIGOO Electronic Parts Non-scale Blinking pattern Fluctuation Medium = 25-100% brightness, changing randomly Number of LED connection terminals 1 Approximate size Width 5.5mm x Length 67mm x Thickness 3mm Caution This product cannot light LEDs by itself. An optional power supply and LEDs are required. Inserting this product between the power supply coin cell CR2032 constant light board or the like and the LED 1.6x0.8mm chip LED bulb color with connector or the like controls the LED flicker pattern. Information editing: Sakatsu Gallery For electric decorations, start at about 3:17 YouTube "Building Rocky's Tavern Kit" (video produced by Gumi Miniature) Beginner-friendly No soldering required!Easy connection by simply plugging in the connector.The "ultra-compact controller" for LED can be integrated into dioramas, dollhouses, plastic models, and other small spaces to create realistic light effects by blinking LEDs. Fluctuation Weak 92006 Medium 92007 Strong 92008 Comparison of three types of lighting (Video production: KEIGOO) Flashing Patterns Fluctuation Medium = 25-100% brightness, changing randomly How to use Inserted between the power supply (sold separately) and the LEDs.When connecting the connectors, align their red (+) colors with each other. Recommended power supply Coin cell CR2032 permanent light board Basic standing light 10 recommended LEDs 1.6x0.8mm chip LED yellow with connector 1.6x0.8mm chip LED, bulb color, with connector Various fluctuation patterns offers a variety of controllers that create random brightness changes recommended for flame light reproduction, such as candles and bonfires. Candle style" 60-100 Recommended for indoor rosacea expression! Fluctuation: 50-100% "Fluctuation Low Lanterns, lanterns, etc. Fluctuation Medium 25-100 Kettles, fireplaces, etc. Fluctuation High" 0 to 100%. Torches, bonfires, etc. Other KEIGOO products