Features: 1.Applicable Voltage: The power supply box has a 12V working voltage and 220V input voltage. Please confirm the voltage and use the power box with the correct voltage to avoid accidental damage. 2.General Protection: The switch box has long service time, when problem occurs, only affect the independent output, other outputs still working, ensuring uninterrupted power supply to the entrance guard system. 3.Durable Material: The security power box is made of solid and rugged metal material, wear resistant and durable, ensuring perfect performance, having a long service time. 4.Various Use: The power supply distribution box is suitable for various kinds of entrance guard electronic locks, universal for long time power supply. 5.Easy to Install: The distributed power supply box has a simple installation, convenient and time saving, having compact appearance, don't need too much tools or complicated steps. Specification: Item Type: Power Supply Box_x000D_ Material: Metal_x000D_ Fitment: Entrance Guard System_x000D_ Output Current: 5A_x000D_ Input Voltage: 220V_x000D_ Size: Approx. 205 x 165 x 74mm/8.1 x 6.5 x 2.9in_x000D_ Load Type: 12V Electronic Lock_x000D_ Weight: Approx. 1.75kg/3.9lb_x000D_ _x000D_ (Excluding Battery) PackageList: 1 x_x000D_ _x000D_ PowerSupplyBox 1 x Accessory Package 1 x Instruction