Coleman Adjustable One Mantle Lantern and Metal Carry Case, model 635B743J. It has been stored in a dark place, still in its box. Since it is unused, the operation has not been confirmed. Thank you. There may be deterioration of packing materials, etc., so please purchase if you are able to perform maintenance yourself. Coleman ADJUSTABLE ONE MANTLE LANTERN AND METAL CARRY CASE Model 635B743J