We promise the products we sell are quality products.you have a pleasant shopping experienceProduct Detail:Input voltage range: 100~240V ACOutput voltage: 12V DCOutput current range: 0~1.25AOutput power range: 0~15WOutput Frequency range: 47~63Hz Shell Material: MetalProtect level: IP20Usage: Indoor use Working temperature: -20~+60 Celsius Fan: NoCooling method: Free air convection Variabl resistor: YesPlug: NoDimension: 85x58x37.5mmNet weight: 0.1kgWarranty: 2 yearsCertification: CE， RoHSBuilt-in protection: over voltage， over temperature， over load， short circuit.