USB Ports Number:None Brand Name:ONLENY Application:Residential / General-Purpose Synchronous Rectification Technology:No Type:Electrical Plug Sub-control Switch:No Overload Protection:Yes Single USB Max Output:None Extension Cable Length:None Outlets Number:2 Support Quick Charge:No Surge Protector:No Grounding:Non-Grounding WIFI:No Master Switch:No Rated Voltage:100-240V Features:1. New -type Intelligent, Digital And Powerful Electricity Saving Device2. Save energy sources efficiently3. Enviroment-friendly4. Stabilize the voltage5. Balance the current source6. Protect devices7. Smart, sleek design with LED lights to indicate operation8. Prolong the life of electrical devices9. Easy to use,no maintenance10.Saving electricity means saving money saving money means earing moneySpecifications:Plug Standard: EU Plug, UK PlugRated voltage: 90V-240VRated frequency: 50Hz-60HzUseful Load: 30000WDimensions: 7 x 12 x 3.5cm / 2.8 x 4.9 x 1.5” (W x H x D)Color: SilverHow does it WorkThe electricity saving device saves and reduces energy by stabilizing the voltage which in turn results in reductions in peak power demand and less waste of low efficient power. The low efficient power is consequently stored and recycled by the unit.Packet included:1x Electricity Saving Box