Note: HC – 8 – 3 – 7 – B – B/HC/HC B 台数 are used to upgrade with the possible without restriction. But will have the same one your address setting in 1 pair 1 devices between calls. Still will have the same address setting and HC – 8 a – B and HC – between 3 – B can not talk. Also HC – 3 can also store store between your call store, HC – 8, HC – 7 – B – B – B not included.
●配線不要で設置も増設も簡単なインターホン
●通話時間最大3分(自動停止)
●電池寿命1回通話(約10秒)1日10回使用で約6ヶ月