... warranty 4.reasonable price for distributor factory price S-100W external power supply Advantage1.Passed CE,ROHS,PSE certification 2.2 years ... over load protectionprotection type:cutoff output,recovery after restart power------------------------------environmentWorking temp,humidity-10°C~+60°C,20%~90%RHStoragetemp ... 86 051085101062.Waiting for your call. factory price S-100W external power supply