nameWall-mounted infrared receiver (including the transmitter)power supplyAC / DC 220VPower supplyDC 13.8V JackCurrent consumption60mA typ.Carrier frequency3.10MHzTone sound output level+ 8dBVPhonetic output terminalRCA terminalLED lightsPower: Green, receive signals: Orange SwitchedReception rangeAbout 15 meters (the optical axis of the front, no obstructions)Frequency response100Hz ~ 10KHzOperating temperature range0 ℃ ~ + 40 ℃Operating humidity30% ~ 85% RHExteriorBase unit: ABS resin white filter: polycarbonate resin, an optical filter blockingannexDedicated transformer x1