สถานที่กำเนิด
Guangdong, China
Product Name
Wireless Door Bell
Work Frequency
315MHZ / 433MHZ
Power supply(Chime)
AC 80V-260V
Power supply(Push button)
1x12V 23A
Operating range(Open area)
150M
Sound options
32 Melody Options
Volume
3 volume (include silence mold)