3-Outlet, 950 Joules Surge Tap w/ 2 Port 3.4 Amp USB Charger. 20% Faster USB Charging.* 2-Port 3.4A USB Charger. Red & Green Charging Indicator Lights. Protected & Grounded Indicator Lights. 950 Joules.*Than standard 5.0V chargers with 2.1A. Results may vary by device and connected equipment.