LED JC Lamp G9 Base 120V Operation for 20W JC G9 halogen lamps. Satco S9546 This lamp is typically used in landscape lighting applications. Light is thrust upward.This lamp has a G9 base, operates on 120V and has a 25,000 hour life. 3000K warm white. 5 year warranty. Dimmable This lamp has a silicon based sealant on the outer shell, so this lamp can be used in wet or damp applications like outdoor lighting!