Feature●Mini wedge bulb socket fits a 3/8" or 9mm diameter hole.●Cross Reference(Twist Lock Base Sockets): Replace Stock Number:T5 17,18,27,37 ,57,58,70,73, 74, 79,85, 86,206,207,286,306,2721.●Built-in Circuit for 12V Power Input.Low Power Consumption and Low Temperature.●Long-lasting Life - 50000 working hours●Easy installation, just plug play.Faster on/off response time and vibration resistant.Description