T5, 15mm diameter, 550mm length tube, LED light tube as Fluorescent tube replacement, This price including fixture, This tube With 120pcs 3528 SMD LEDs, Warm white 3000k~3500k, 7 Watts, 450 Lumen, As 15W~18W Fluorescent tube replacement, It will be 55% Energy Savings, No fluorescent paint and gas contamination of premises, Green Light Source, Bypass Expensive Ballasts And Wire Direct. Wide voltage and constant current design, It can work on Mains voltage at AC110V, AC120V, AC220V, AC230V, AC240V, And all other mains voltage between AC85V and AC265V. See how to install it and replace it. The tube size 15mm daimeter * 550mm length. The fixture size: 571mm (not including wire connector, 600mm including wire connector) length, 23mm wide, 36mm high.