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!