Product parameters:Built in EML filterWith overvoltage, overcurrent, overload and short circuit protection (multiple safety protection)Input voltage - AC220V 10% (110V and 220V can be switched freely)Output voltage adjustment range - 0-110v, full range adjustableVoltage withstand test - input to ground: 1.5kV AC / 1minHeat dissipation mode: automatic temperature control heat dissipation (higher efficiency)Size: 215 * 115 * 50mm