LED colour in red and blue blinking in the same light, finger lamp, finger light, ring light, spy light. Finger light features: 1. Ring light, auto safety night light; 2. Perfect for mechanics tradesmen, parties, dances; 3. Super bright LED light in blue, red, green and white; 4. Powered by 3XAG10, included; 5. Unit size: 42X15X15mm.