7 colours changed, LED colour changed finger lamp, finger light, ring light, spy light. 7 colours in the same single light. FEATURE: 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: 42X17X16mm.