Plug the battery/electric: 220V power supply inserted batteries can also be used, battery, 5th battery, fitted with four batteries can be used. Can be equipped with batteries, electricity, batteries run out of power.Call is clear and bright, Korea the new circuit design, circuit design, this product call segment amplification, using integrated IC circuit design to ensure clear and bright calls this style intercom call clear loudThe new upgrade, fix easy to burn out the Bell does not ring ringtones integrated circuit problem or improve phone returning electricity transmission distance, the line can extend, as long as the extension cable conductor material is good, effective intercom distances of up to more than 300M so call clarity, product quality is reliable
Package contents: phone, hangs a pair. Plug battery built-in voltage regulator power supply dual-use."User guide" Phone either need to call each other during a call, press the call Button, listen to Bell, picked up the receiver waits for the other to pick up the phone and speak to you, in order to avoid Call ringing ear-piercing sound, please try to hang the phone calls, after the call is completed, put the microphone backThe "install method" First of all want to install mounting bracket with screws in place, and then connect Lines correspond to the 1.2th interface in 1.2th interface on another phone, DC, equipped with batteries, AC equipped with batteries or plug in, finally put the telephone in Board can.