How to use: Before use, twist the light switch in the correct direction. There is a white diaphragm inside that can be removed to turn on the light Designed for Slushi FS301/FS300: Features a plug-and-play design with a capsule-shaped lighting module that fits the machine's bottom slot. No tools or installation required—just place it in and enjoy the illuminated experience Wireless Remote Control Light Effect System: This LED light offers 13 colors and 4 light effects (flash, strobe, fade, party flash), adding dynamic lighting to your slushie machine Non-Interference Operation: The ultra-thin design (30mm x 20mm) fits completely within the machine slot without blocking the feeding or observation window. The bottle cap size precisely matches the mixing container’s bottom slot for easy placement and activation. No installation or tools needed Ideal for Parties: Enhance any event with vibrant lighting. Perfect for birthday parties, weddings, holidays, or gatherings, creating a lively atmosphere with your slushie machine as the focal point Color: Transparent Material: Plastic Package Contents: 4 x Lights 1 x Remote control Only the items listed are included. Other products not included. Note: Lighting and display differences may cause slight color variation between the image and actual item. Measurement error allowed within +/- 1-3cm.