car charger adapter 1.Power Interchangeable adapter, 2.fixed frequency control circuit 3.Meet all related ... OEM service for customers.Product characteristics: Power Interchangeable adapter, fixed frequency control circuit, apply to scanner, digital camera, instruments, printer, and ... maximum Operating temperature: 0 to 40 degree Celsius Storage humidity: 5 to 95% RH Burn-in test: 80 to 100% at load ...