The PHILIPS SB TBULB COOL DAY LIGHT B22 GEN2 10W is a powerful bulb that has both outdoor and indoor applications. It is an energy-efficient product that is compatible with traditional bulb holders. The product works in an ambient temperature of 0 to 45 degree and has a wide light spread. Note that it works on a plug and play basis and requires no electrician to install the same. Buy the best Philips lights on Hippo Stores at wholesale prices!