A few troubleshooting tips included.Check out my other videos, b. Energy used: 18-Watt (equivalent to a 32-Watt standard fluorescent light bulb) Energy efficient: up to 43% less energy than standard fluorescent light bulb; Life: 31.96 years (based on 3-hours per day) Life hours: 35,000; 1 in. in diameter tubular bulb shape; Product base: G13 medium bi-pin base; UL/CUL Listed, RoHs Compliant and 100% Mercury Free.