[AC/DC12-24V] The input voltage of G4 LED bulb is AC/DC12-24V, please use it with suitable voltage. Suitable for cabin, closet and RV lighting. [Energy Saving] G4 LED 2W Equivalent to 20W halogen lamp, saving 90% energy consumption . Lifetime up to 30,000 hours, reduce replacement frequency, 6 packs are more durable, save time and money. [12x5050 SMD]12 pieces of 5050 SMD, 200LM, provide sufficient light. Suitable for RV kitchen lighting. Please note that this product is not dimmable. Not for use with dimmers. [30x30MM]Standard G4 base, suitable for G4 base lamps, bulb size 30*30MM. Easy to install without tools, please make sure the bulb matches your lamp before purchase. [Application] Widely used in recessed lights, cabinet lights, spotlights, furniture lighting, interior lighting. Suitable for closet, RV, cabin, restaurant, office, etc.