This is a UNIFLAME UL-X lantern. Operation has been confirmed. It comes with 3 replacement mantles, so it's ready to use immediately. There are scratches and dirt from use, so please refrain from purchasing if you are concerned about this. Thank you. ▼ Color Silver ▼ Weight Approx. 1.4kg ▼ Maximum Luminosity Premium Gas: Equivalent to 240W Regular Gas: Equivalent to 210W ※ Illuminance measurement at 1m ▼ Burn Time Premium Gas: Approximately 4 hours Regular Gas: Approximately 5 hours ※ Burn time varies depending on the flame adjustment. ▼ Ignition System Piezoelectric ignition ▼ Size When in use: 135 x 120 x (height) 355mm When stored: 135 x 120 x (height) 210mm ▼ Materials Body case: Aluminum, Lid: Stainless steel, Metal parts: Stainless steel and W rust prevention treatment Please refrain from purchasing if you are concerned about this being a used item. Light source/power supply: Gas