Name:  crystal wireless flash doorbell
Model:  HFD-9520
Size of Item:Receiver:110*75*35mm
 Emitter:80*45*18mm
Carton Size:50.5*35.5*36cm(A=A export paper, 5 layer, )
Box Size:  49*34.5*17cm(B=B, 3layer)
G.W.:  12KG
N.W.:  10KG
Quantity:  60/CTN
Q'ty in container:23040/20'(384ctn), 46080/40'(768ctn), 59400/40'H(990ctn)
Delivery:  21days after deposit  
Feature:HFD-9520C(DC) three music
 HFD-9520D(DC) 16 music
 HFD-9520E(DC) 12 music
 HFD-9520F(DC) 24 music  
HFD-9520G(DC) 32 music  
 Receiver:2pcs N0.5 battery, /Emitter:1pc 12V battery  
Function:1.Setting easily, wireless, 2.Quartz crystal, subsection less repeat 3.Remote control range 50M-80M, 4.Save electricity.5.3 kinds of color light flash when the music is on.