ITEM NAME:1Piece 5V 2A AC-DC Power Supply Converter Step Down Module Adaptor Description: Type: AC / DC power supply Modulation method: pulse width modulation (PWM) Transistor connection: full bridge Input voltage: 110-240V Output power: 10W Output voltage: 5V Output noise: 30Mv Output current: 2A Working frequency: 50-60Hz IC smart solution 431 precision voltage regulator Package Includes: 1Pcs Switching Power Supply Board SKU: CKX0014000268006604.Output current: 2A. Transistor connection: full bridge. Output noise: 30Mv. Output power: 10W.