How to use: Before use, twist the light switch in the correct direction. There is a white diaphragm inside, which 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 steps required—just place it in and enjoy the illuminated experience Wireless Remote Control Light Effect System: This LED light for slushie machine offers 13 colors and 4 light effects (flash, strobe, gradient color mixing, party flash). A great accessory for enhancing your slushie machine Non-Interference Operation: The ultra-thin body (size 30mm x 20mm) fits completely inside the machine slot without blocking the feeding or observation window. The bottle cap size precisely matches the bottom slot of the mixing container, allowing direct placement and activation with no installation and no tools Ideal for Parties: Add a vibrant, festive touch to any event. Whether it's a birthday party, wedding reception, or holiday gathering, the colorful lighting effects create a fun and lively atmosphere, making your slushie machine the centerpiece of the occasion Color: Transparent Material: Plastic Package Contents: 4 x Lights 1 x Remote control Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. Measurement error allowed is +/- 1-3cm.