Feature: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.Material: MetalFitment: Entrance Guard SystemOutput Current: 5AInput Voltage: 220VSize: Approx. 205 x 165 x 74mm/8.1 x 6.5 x 2.9inLoad Type: 12V Electronic LockWeight: Approx. 1.75kg/3.9lb(Excluding Battery)Package List:1 xPower Supply Box1 x Accessory Package1 x Instruction