Envelop dimensions: 33CM * * 18CM 24CM The use of voltage: ~ 220V - 240V Output type: multiphase 22 ways of output Output current: 5 A (melting silk 3A) Power: less than 5 watts Instructions: keyboard keys function is introduced 1 2 3 F1 4 5 6 F2 7 8 9 F3 * 0 # F4 .
