I brought a new stablizer. I have a 600ltr fridge and ac so I used vguard stablizer its so useful and running OK no problems. Its really OK. Hopefully people must read my instruction. Very good brand. Company also make decided to help electronic instruments like fan, fridge, cooler, iron, TV, air conditioner, oven, etc. I like it.so I strongly suggest this is very good product. May be its so useful product in running feature like electronic home appliance. Very very good for all.