Ultimate customized mode. 16 colors with 6 DIY keys - 44 keys infrared controller which has 6 DIY keys for memorizing the colors that you preferred. Safe to use. The working voltage is 12V. Extremely low heat. Indoor only! For more connectors and connector cable, please search "Lighting EVER 5000071". Now click "Add to Cart" to get your indoor decoration solution! About LE Lighting EVER, abbreviated to LE, focuses on creating the best lighting experience. Only high end LED and advanced optical design are adopted. Enjoy lighting with LE.