Masterplug Single Socket Surge Protected Power Adaptor with Two USB Charging Points, Gloss Black With an attractive high gloss finish, available in black or white, this adaptor with a plug through design means that there is no loss of socket space. With the additional two USB outputs, this product is ideal for use with MP3 players, mobile phones and digital cameras. The added surge protection features protect against the damaging effects of surges and spikes. Power surges and spikes Power surges can occur when switching on and off fluorescent lights and appliances such as refrigerators, washing machines and tumble dryers. Over time, this can seriously damage electronic equipment. The single-socket adaptor protects your electrical appliances from power surges and spikes. Safety thermal cut-out indicator All Masterplug surge protector products have this, letting you know that your connected appliances and electrical equipment are protected. Do not use if the ‘surge production operational