Exterior: this product uses flame-proof material shell withaluminium alloy, rigorous design, in line with visual aesthetics, practical and ormental. Features: Dual USB output design, a charger can solve the charging of two devices at the same time. Auto-ID 4.0A function will offer the power to your device accordingly. Specification: Input: AC 100v_240v Output:AC-4.0A (Max) Usb Port : 2 Ports Brand No Brand SKU 100282795_NP-1020547430 Model ES-026