Sunlite LFX/EC/4'/2/48W/E/W 4 Foot 2 Light 48 Watt 120-277 Volt LED Strip Fixture F32 Linear Fluorescent Replacement, White Finish Double strip four foot long super efficient 12 watt economy LED light fixture Contains no glass nor mercury while being Energy Star certified for a high level of safety Utilizes a 120-277 multi-volt current while producing a 4000K dome of cool white light at 900 lumens On average, this light fixture will last up to 50,000 hours of usage with minimal maintanence This high quality steel constructed lamp is the ideal substitute/retrofit upgrade to any office's equivalent fluorescent tube lights