About Product:Product attributes brand YSH protection type circuit breaker application scope below 1800W adapter line length/communication protocol 485 external battery type lead-acid battery or lithium battery product certification CE weight 5KG overall size 348*282 * 105mm working efficiency 93% warranty warranty one year protection level IP20 cooling type fan anti-counterfeiting code/working environment normal temperature product series SM-H display mode LCD number SM-2200H-12