power supply adapter, pwr sply and case are both provided. high safty pwr sply. power supply adapterLight weight high efficiency Reliable and stable Over voltage over current and short circuit protection Input: AC100 - 240V Frequency: 47-63Hz Surge: 30A/240V Output: voltage tolerance +/- 5% Ripple and noise: <1% Startup time 1s (input=240V, Io=100%) Protection: overload protection up to 105% - 150%, rating power recover automatically Insulation: 3000Vac/10mA 1min Case: 3000Vac/10mA 1min Environment: Working temperature: 0 - 40 deg. C RH: 10% - 90% Storage temperature: -20 - 85 deg. C RH: 5 - 95%Altitude: < 3000m Cooling: natural cooling Compliant with RoHS request Meet California Energy commission requirement