TV Guard (model VP TG13) and a Power Guard (model VP HG13). These devices protect electrical appliances from power fluctuations. Key features include: Function: They disconnect power to the appliance when voltage levels are too high or too low, protecting against damage from power surges and dips. Warranty: They come with a 3-year guarantee. Application: The TV Guard is designed for TVs, LCD/Plasma screens, and Hi-Fi/Media centers. The Power Guard is suitable for all electrical and electronic equipment.