ITEM NAME:Universal Regulated Switching Power Supply for Security Monitoring Switchin U7C6 Universal Regulated Switching Power Supply for Security Monitoring Switchin U7C6 Power: 400W Input: AC110V/ 220V Output: 12V DC Output current: 33A Protection: Overvoltage protection, short circuit protection and overload protection Working temperature: -10 to 50 degree Celsius Storage temperature: -20 to 60 degree Celsius Environmental humidity: 10-95% Dimension: about 21.5 x 11.3 x 4.8 cm colour: silver Material: metal shell Package Contents: 1 x Switch power supply