UL certified. Save electricity bill. Replace 60W fluorescent tube light by 20W LED. Save over 65% on electricity bill of lighting. Components Saving. No ballast and starter required. Easy Installation. Can be easily fitted instead of ordinary 4ft fluorescent tube. Eco-Friendly. No lead or mercury. Extremely long life. Lowers maintenance costs by reducing re-lamp frequency. Solid State. Shockproof and vibration proof. No Hazardous Emissions. No UV or IR Radiation. Input Voltage: 120V