charger Constant output voltage Light, and compact design On-line LED power indicator Extra safe design, all with their respective safety approvals High efficiency circuitry that generates little heat and Does not need heat sinking Supper power supply,fixed frequency chip circuit Ensures stable,long-lasting output required by todays mobile electronics, such as mobile phones, PDAs,Digital cameras,CD/MP3/MP4/PMP Players, GPRS,and possesses USB electrify joint electric appliances usage. Built-in EMI filter input voltage 100 240VAC full range Ac frequency 50/60Hz Output voltage /Current: 2.8-24VDC 0-1A output Power 5 W Ripple & noise 1% Vp-p100mVp-p nominal Working Flyback Converters Mode Load regulation 5% nominal Voltage regulation ±5% Over Current Protection 120 150% Hold up Time 20m sec. min. @ nominal input AC voltage and rated load Operating Temperature 0 +40