Specifications: bulb overall height: 2 inches; Bulb diameter: 2 inches; Type: GU10 base, MR16 halogen, 25 W; Input voltage: AC 110-130 volt; Life span: around 1500 hours; Replacement bulb for NP5 candle warmer lamp Good materials: The halogen light bulb is made from clear glass, porcelain, and metal with a soft warm light, which offers reliable illumination without dazzling your eyes; The standard construction enables it to fit most candle warmer lamps designed after 2008 Functions: The halogen bulb is suitable for candle warmers, fragrance burners, oil air refreshers, lamps, and some range hoods; Its versatility makes it a useful and practical lighting option Easy installation: The candle bulbs feature a standard MR16 shape with universal GU10 twist and lock base; This GU10 120 V 25 W bulb can be easily installed into any standard GU10 socket without replacing the entire fixture Wide application: These light bulbs are commonly used for accent lighting, recessed fixtures, hoods, track lighting, offices, art galleries, museums, restaurants, retail shops, and more