Philips 25 Count Warm White C9 Lights Philips 25 count LED warm white C9 lights. Connect up to 90 LED sets (2,250 bulbs) end to end. Long lasting up to 25,000 hour bulb life, lighted length 24 feet, green wire. The LED advantage: A set of LED lights costs only a fraction to run compared to other lighting - saving you money in electrical bills. With up to 98% energy savings over standard C9 lights, a set of 25 Philips LED lights uses only 2.4 watts of energy per set (compared to 175 watts for a standard 25 light C9 set). Add in up to 25,000 hours of bulb life, and these lights end up paying for themselves in the cost of replacements. Indoor/Outdoor. Up to 25,000 hour bulb life. Durable and break resistant. Cool to the touch when lit. Bulb locking feature keeps. Bulbs securely in place.