50,000 hours average rated lifetime (L70 F50)Last 2.5 times longer than 49W 1449mm fluorescent tri-phosphor T5 lampHigh switching cycles - 200,000X High lumen efficacy - 154lm/WOmni-directional light distribution and wide beam angleMinimum and maximum operating temperature: -20°C to 50°CGlass construction and polycarbonate end-capsOnly suitable for direct mains (AC 220-240V) operationIdeal for factories, parking lots, supermarkets, department stores, schools and officesNot suitable for operation with electronic/ECG or magnetic/CCG ballasts