1) Reasonable price
2)Small QTY can be acceptable
3)Top quality
4)Timely delivery
5)Best after-sale service

Description:

when someone open door/window,it will sound
 16pcs music adjustable
use 3"AA" batteries
low wrong sensor rate

Package:

Carton size:46*37.5*59.5
Quantity/carton:120pcs
G.W:14.1kg
20",292CTN,35040pcs