The reliable surge Power protector:3.1A/900 Joules wall mount surge protector will help your devices to get rid of the unstable network and energy spikes. Smart design of blue LED surge indicator:The indicator light turns blue to show your devices are grounded and surge protection is activated, ensures connected devices are protected from voltage fluctuations. Conveniently for your trips and works: This surge protector wall mount adapter is easy to be taken when you travel and work on business.And the Multi-function make your life Conveniently because take one can meet all the charging needs wherever you go. Guaranteed quality and warranty:We ensure the quality of our products is trustworthy and try to buy. And we also Promise 12 month Warranty.In addition, EMI/RFI line noise filtering helps connected components to perform at their peak.So,buy it without worry anything about the quality of the product.It will bring you a more convenient life!ETL/CETL Certified