Energy Saving Lamps Features: 1) Standard 3U (T4, 12mm) 2) Voltage: 110-130V, 60Hz, 220-240V, 50/60Hz 3) Life: 10,000 hours U Shape ... Energy Saving LampsFeatures: 1) 15W replace standard 70W in candescent bulb2) With ... factories, squares, bus stations, shops, yards, and supermarketsCertification: CE, SAA U Shape Energy Saving Lamps