After buying two taken to protect my appliances, simply let go. Amazon in a phone call that told me their after sales service number ... And very quickly, without waiting or stupid background music, a person for a personalized assistance. The replacement was done in 48 hours and sometimes as subtle when a product is stored too long in the cold it is on end of life. The product is guaranteed for two years so you take no risk. I was initially annoyed by this failure, but given the quality of customer service, I returned to this view. Protection devices is perfect and a sleep button can even extinguish all. A small green light that consumes almost nothing allows to know what is under tension. Very good product remaining at a relatively affordable price. but it can really be worth it if it comes to protecting your appliances, TV, computer, video and other ...
