CR2032 Battery Holder description:1.CR2032 Button Cell Battery Holder for Lithium button celll CR2032.2.system:SGS,RoHS compliance.3.application: circuit board, PCB board. Toys…..Holders characteristics: 1.Contact current rating: 3 ampere.2. Dielectric withstanding voltage: AC 500v/60sec.r.m.s minimum.3. Insulator resistance: 1000megohms minimum at DC 500V.4. Contact resistance: 12 milliohms maximum.5. Operating temperature: -55-+220 degree centigrade. Materials:1. Contacts: copper alloy.2. Insulator: PBt with GF3. Terminal finish: nickel plated.