The Kobi Electric K1P2 (P/N TRS4-24-42-40-MV) 42W economy flat panel LED troffer has a rated voltage of 120-277V with a luminosity of 4850Lm and color temperature of 4000K. It has a life expectancy over 50,000 hrs and an operating temperature range of -4 F to 113 F (-20 C to 45 C). It is made to replace recessed fluorescent linear tube light fixtures. Can be used in damp locations. Note: This type of light is not made for emergency or exit lights.