EnergyPal USB Outlet Surge Protector with Dual USB Ports 1200 Joule / 15 Amp / 1875 Watts 1200 Joule energy rating provides superior power protection for all your sensitive home office devices USB ourlet - 2 powered USB ports (2.4 AMP combined) for charging your tablets, smartphones, and other mobile devices Wall-mountable for 3 extra AC outlets without extra cords Damage-resistant housing protects circuits from fire, impact or rust, and prevents dents and scratches Wall Tab specification; 15 Amp 125 Volt 1875 Watts