LE&reg; Brightest 18W 4 Feet, 4ft (1.2m, 120cm) T8 LED Tube Lights, 60W Fluorescent Tube Replacement, 1550lm, Warm White, 3000K, UL Approved, LED Tube, Pack of 10 Units Excellent Performance: The LED bulbs turns on at full brightness with 1550 lumens comfortable daylight white light (6000K), bring you bright lighting effect. Save electricity bill.Replace 60W fluorescent tube light by 18W LED. Save over 65% on electricity bill of lighting. Easy Installation: The LED light tube can be easily fitted to replace regular 0.6 m fluorescent tube. Long Lifespan: The LED Bulbs with the low power consumption provides over 50,000 hours lifespan, reduce the re-lamp frequency, save energy and labor. Instant full light. The starting time is less than 0.5 s, no need to wait for warming up the lamp