Wireless digital doorbell
Backing: 60pcs/CTN
Sound selection: 3pcs of music: Dingdong; To Alice; London Iron Bridge golden music
Receiver: AC power; Emitter: 12V battery (1pc)
Backing Box: absorb plastic/ neuter, English color paper card
Carton Size:
Feature: when the music sound, 3 color of light flash with dance.
Function: easy to fix, without cord; digital crystal, seldom
Repeat in subsection; long distance of remote--150M; less energy.