2feet LED筒灯可能调暗，

Technical Specifications: Physical Specifications Dimension L602*D30 mm (L1.96*D0.098 ft) Weight 200 g Housing Aluminum Socket Type T8 (G13) Work Environment Indoor use (applicable for dry environment) Electrical Specifications Part Number SL-DGA00-144WT-D10Input Voltage AC85-265VPower Consumption 9±1WLighting Source SMD LEDLED Quantity 144 pcsOperation Temperature -20 40°C (-4 104°F)Optical Specifications Part Number SL-DGA00-144WT-D10SL-DGA00-144LT-D10SL-DGA00-144NT-D10Lumens 700-900lm550-750lm550-750lmLuminous Efficacy 75 85 lm/W70 80 lm/W70 80 lm/WColor Temperature 5600 6400 K3800 4300 K2800 3300 KCRI >75>70>70Beam Angle 120Lumen Maintenance >97%@2,000hoursProduct Advantages:Energy saving up to 60%.no driver50,000 hours lifespanHigh efficiency (90%), PF>0.95,CE, RoHS and ETL approvalMore than 24 hours aging testChip brand : Epistar from TaiwanInstant start, no flickering, no hummingConstant current driver, with heat protection system,Can work under unstable voltageSpecial circuit design, each LED work separatelyElectric wave resistantNo mercury or lead, no RF interferenceConvenient installation and safe to useCompany advantages:Professional led manufacturer both on led component and application product First one to research and develop led tube light in China mainland 4 Assembly lines, 15 advanced automatic machines Non-dust workshop, professional test equipment. ISO9001:2000 management system On time delivery and prompt response to buyers inquiry. Professional support on technology and distribute direction.Application: Bank, Government, School, Office, Hotel, Exhibition, Advertisement, Hospital, Airport, etc..