This document provides specifications for modular drop ceiling lights that use LEDs, including dimensions of 600x600mm, a low depth of 14mm, included LED power supply, beam angle less than 110 degrees, energy savings of 50-60%, luminosities of 3000-3200 lumens depending on color temperature, support for green energy as they are RoHS compliant and contain no mercury, a CE certification, high brightness and low heat dissipation, an expected life of over 50,000 hours, an operating temperature range of -20 to 40 degrees Celsius, a color rendering index over 85, a power factor of at least 0.95, a 3 year warranty, frame dimensions of 598x598mm, a wide input