Model: GF-015AC1 Power: 15W Voltage: 90V-285V Length: 1200mm/4 foot Diamete: 30mm Luminous flux: 1500lm Color temperature: 5000K-7500K Color:cool white Life span: minimum 50,000 hours Advantages of LED tube with external driver: 1. Longer life than interior driver tube. Interior driver creates much heat when working, high temperature is harmful to the LED life. 2. Longer warranty. GWP provide 3 years warranty for external driver LED tube. Interior driver LED tube is 1 year warranty. 3. Cheaper for warranty. In case the driver goes badly, only need to replace the driver, do not need to replace a whole tube. 4. Safer. External driver is safer than interior driver, because the box material is fireproof. Application: They are designed for hotel loft, supermarket, factory, waiting room, shops, office building, school and living room. Electrical Parameters: Input voltage:90-285V/AC Frequency:50-60Hz Power Supply Efficiency:87% Power Factor:0.95 Optical Parameters: Luminaire Efficiency:90% Color-Rendering Index:80 LED Efficiency: 97Lm/W Other Parameters: Operating Temperature:-20í¬50 Operating Humidity:15-70% Stock Environment Temperature:0-45 Appearance:Frosted/Transparent Main Material: Aluminum+PC Lifespan:50,000 hours. Caution: 1. Led tube and its all fittings can not withstand any mechianical pressure. 2. Any question about the installation of our led tubes, please ask for the professional guide. 3. If the aluminum pipe is damaged or deformed,please stop using the led tube to avoid dangers. 4. Before installation,please switch off the electricity, and ensure to install our tube normall. 5. Please install or place the ed tubes to avoid sunshine and high temperature. 6. It is only used indoors. 20 pcs per carton, 7KG, 125*19*19cm.