12V23ABattery Included,OEM ,customization is available
CLAMSHELL PACKING(plastic) ;
48pcs/major carton;
12pcs/inner box
1)streamline &conciseness design;
2) 180m remote control distance;
3)signacture available;
4)4 adjustable volume;
5)water proof function;
6)easy install;
7)same frequncy diffirent code technique;
8)excellent power consumption circuit design;
fashion doorbell change your life