... high service ,high quanlity,OEM service compatible product :E27, E14,GU10 Features:1.LED Built-in Drive Power Supply 2.certification ... efficiency up to 85%6.Low height, adapting E27, E14,GU10 7.Open circuit protection, short circuit protection8. High reliability and ... constant current power supply module is designed for E27, E14,GU10 LED fluorescent lamp , the output voltage of 12V to 18V ...