Specification Amperage : 13 amps BatteriesIncluded : 1 BatteriesRequired : 1 Brand : KH HAIKE BulletPoint1 : Phonak power domes small size (diameter at base of phonak domes 0.39 inches=10mm). BulletPoint2 : Phonak hearing aid domes comes with 2 packs per order, which equals out to a total of 20 domes. BulletPoint3 : These phonak hearing aid accessories fit with Phonak Audeo, Unitron, Discover Next (DX), RIC, Audicus, Hansaton, Costco Kirkland Signature KS9, KS10 and KS11. BulletPoint4 : Suggest: Phonak hearing aid accessories should be replaced once a month, because the cerumen wax buildup behind the domes. BulletPoint5 : Notice:If a perforated eardrum, please don't use the phonak domes. Color : Power Dome CompatibleDevices : Hearing Aid ExternallyAssignedProductIdentifier1 : 606408787743 ExternallyAssignedProductIdentifier2 : 0606408787743 ExternallyAssignedProductIdentifier3 : 00852259003604 FcShelfLife : 1825 days IncludedComponents : Cell Max A13 Zinc Air Hearing Aid 2Pk IsExpirationDatedProduct : 1 ItemDisplayWeight : 0.02 pounds ItemName : Hearing Aid Domes for Phonak Replacements, Phonak Hearing Aid Domes (Phonak Power Domes Small Size / 2 Packs), Universal Domes for Phonak Hearing Aid Accessories. ItemPackageDimensions_Height : 15.0114 centimeters ItemPackageDimensions_Length : 2.4892 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hearing-aid-domes Manufacturer : KH HAIKE ModelName : 312 40 ModelNumber : POWER DOME NumberOfItems : 1 PartNumber : PH-01 PowerSourceType : Battery Powered ProductDescription : Phonak hearing aid accessories. ProductExpirationType : Expiration Date Required ProductSiteLaunchDate : 2024-05-08T02:39:04.236Z RecommendedUsesForProduct : Hearing Aid Reusability : Single Use Size : S SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 2 Voltage : 1.4 volts