Package Included: 1*24V10A switching power supply Features: 110V/220V AC; Output: DC 24V 10A max. The output voltage is adjustable by 10%. Three sets of output channels. Safety features: automatic overload shutdown, overvoltage shutdown, automatic thermal shutdown, short circuit protection. Voltage consistency: there are no significant voltage fluctuations when switching on, transmitting, receiving or turning off. No fan in the housing, quiet operation. Metal housing with many holes makes heat dissipation more efficient. .