Parameter:
Voltage:110V-220V
Working voltage:DC9V
Most working current:600mA
Main sound box,sub-sound box:2w-2w 100Hz-15KHz
Inside microphone:-48db±2db 20Hz-20KHz
Outside microphone:-48db±2db 20Hz-16KHz
Frequency response:100Hz-12KHz
Destop unit dimensions:182*120*56?mm?
Wall mount unit dimensions:61*85*24(mm)
The speaker cord is 191cm
Package Included:
1 * Set of Dual Way Window Counter Intercom Interphone Speaker