Best to Buy&reg; (6-PACK) DEEP BLUE Bulb T5 Wedge 1W 360Deg LEDs for Malibu 12V AC Landscape 6 pack, LED replacement bulbs for standard 168 Malibu Bulbs. LED Type: High Power LED (very Bright) Color: Deep Blue Voltage: 12V (works with 8V-18V AC/DC) Base: Wedge Base T10 Used in: Landscape Malibu Cast Metal Tier Light, Malibu Porche lights, Cabinet, Closet, Outdoor patio, Under counter Lights, Indoor and Outdoor Fixtures.