Specification: Coils: UN2 Meshed-H Resistance: 0.8ohm Working Wattage: 13-18W 4PCS Per Pack Fit For Uwell Caliburn G Pod System Package Contents: 4x Caliburn G Replacement Coils Introducing the Caliburn G Coils By Uwell, the Coils with mesh wire inside and covered with organic cotton, longer lifespan, will heat the e-juice evenly and fully atomize the juice, will bring you the full and original flavor. (Please Note the Caliburn G Coils are specifically designed for use with the Caliburn G Pod Kit and are not compatible with any other device)