Hopewell Wireless DoorBell DB-21 (300m) with 3 Receiver

300m ULTRA Plug-In Wireless Doorbell ( Triplet Pack )

-  Triplet pack : 3 chimes, 1 bell push

-  Plug-in AC powered chime

-  Plug & use installation-free

-  300m ( 1000ft ) ultra long wireless range

-  Ultra strong signal penetrates through walls

-  False-trigger and interference-free

-  58 polyphonic tunes with rich sound 

-  5 volume levels, with mute mode and ring indicators

-  ECO smart auto power saving

-  Flame retardant, impact resistant ABS casing

-  IP44 splashproof, dustproof bell push

-  Add unlimited number of chimes and bell pushes

    ( Expandable with all DB, DK, MD models )

-  Usage : doorbell, calling bell, caregiver bell

-  Chime voltage : 110 - 220V

-  Bell push power : Battery ( 12V 23A x 1 )

-  Chime size : (H) 8.1 x (W) 8.1 x (D) 6.2cm

-  Bell push size : (H) 7.1 x (W) 4.2 x (D) 1.8cm