◆ These are LED fluorescent light replacements for conventional 20W straight tube fluorescent lamps. ◆ Size: Length 580mm, Diameter 30φ ◆ Light color: Daylight (Color temperature: approx. 6500K) ◆ Applications: Ideal for general households and offices. ◆ If your fixture is a glow starter type, you can easily install it by simply removing the glow starter. ◆ By replacing conventional fluorescent lights with LEDs, you can reduce power consumption by 60%! Very effective for energy-saving measures. 10 pieces (The displayed price is for 10 pieces of the product) ★Important Notes★ ◆ All lights have been tested and confirmed to work. ◆ For fluorescent light fixtures with glow starters, please remove the glow lamp before installing. ◆ For inverter and rapid start type fixtures, electrical work is required, so please consult an electrician. Please have the wiring modified so that current flows to both pins. ◆ Always turn off the power before installing or removing the lights. You can change the quantity. Instant purchase OK!