Features: -AC input range: 100-240V.-Class I I power supply with two-pole AC plug-Protection: short circuit / overload-Fully protected plastic case-LED indicator on the front shell to show the working condition.-Through LPS (limited power source)-Voltage AC265V and repeated switch of AC power at high voltage AC265V-100% full burn-in test: full load burn-in test at low voltage AC110V, no-load burn-in test at high-Operating altitude is up to 5000 meters (note 8). High e?ciency, long service life, high reliability.