Single turn compact fluorescent CFL PLS-E light bulb with 4-pin base for use use with electronic control gear. Suitable for use with high frequency and dimmable systems. Often used in signs, emergency lighting, vending machines and some domestic appliances, fridges etc. Features a 2G7 4-pin oval base. Suitable for dimming on compatible control gear only.Manufacturers codes include Dulux S/E, Lynx S/E and Biax S/E.Note: Voltage shown is actual operating voltage. Supply voltage may vary depending upon installation.Need more help in choosing a suitable light bulb? Read our guide Choosing Compact Fluorescent Lamps