Protect your electronic equipment from damaging voltage and current spikes with this Monoprice surge protector.|This model includes six protected power outlets and attaches to a wall outlet for a clean cord free installation. The clear plastic tab at the top of the unit illuminates green to indicate when the surge protector is providing protection to your equipment. When the protection circuitry has been fully consumed by power and current spikes the protection light will no longer illuminate indicating that the surge protector should be replaced. Features:|6 protected power outlets|540 joules of protection Attaches to wall outlet no cords Built in EMI/RFI filter|15A 1800 watts capacityUL/cUL rated.