Output: 24V DC, 1500 mA (round head, no pin in the center) Input: 100~240V AC 100% work, can test before purchase Other models are available, please check my auction page Low price sale, no bargaining reply Pickup only at: 1) Tsuen Wan MTR Station (most of the time) 2) Tsuen Wan Discovery Park (most of the time) 3) Wan Chai MTR Station (Monday to Friday 8:30 AM) 4) Convention Centre MTR Station (Monday to Friday 8:45 AM to 5:45 PM) 5) Mail (shipping cost paid by buyer)