... 5, Easy Installation Special Features:1) Exquisite design with 6 flashlight or on receiver2) Anti interference technology ... no wiring needed, no labour involved. (wireless doorbell)6) Easy mobility, suitable for house, villa, office, hotel, food ... QTY/20FTQTY/40GPA8-C2AC wireless doorbeel with flashlight60x32.5x546015.512.81530033000A8-C4AC wireless doorbeel with flashlight56X37X51.5602.517.81530033000 ...