The unique feature of the Larson Electronics A19 LED bulb is that it operates on voltages ranging from 120 to 277 V ac. It comes equipped with a food-safe plastic cover, and the LED-A19-10-E26 fits into standard E26 (US) and E27 (Europe) sockets. With 10 watts of power, it produces 1050 lumens. Designed for harsh environments, the Larson A19 LED bulb operates in temperature ranges from -50 °C to +85 °C.