Rayo Royal: Our Best-Selling Lantern Enjoy bright, non-electric lighting that won't blow out in wind, snow or rain. The Rayo Royal Lantern is made to burn brightly in any weather, making it an ideal emergency lantern too. Features nine candlepower to give you plenty of light. Nightly use for about two weeks without refueling (burns about 45 hours on 36-oz fuel capacity). Nine candlepower. Flame is completely encased in glass and steel for your safety. Glass globe protected by wire cage to reduce breakage. Advanced air flow for improved efficiency. No comparable sized wick lantern burns brighter. Outperforms the similar Dietz Little Wizard (with large tank), thanks to our extra large tank and the improved powder coated galvanized finish. Design and improved in over a century of use. Use only Aladdin Fuel or K1 Kerosene or approved Lamp Oil. Technical Specifications: Wick size: 1/2". Output (FC/CP): 3.9 FC/9 CP. Tank Size: 36 oz. Burn Time: 45 hr. Globe Style: Short. Dimensions: 11-1/2"H x 7-3/4"W. Suitable for indoor and outdoor use .