628

智能學碼 ( 能使門鈴增加配套 )
Self Learning

自選32首和弦鈴聲 
32 Polyphonic Sounds

超長接收距離
Long Range

接收器採用 AC220V 插頭式
Main power for door bell : AC220V Plug-in

LED 小夜燈及閃燈指示
LED Night Light with Flash Light