สถานที่กำเนิด
Guangdong, China
Product Name
DC Wireless Door Bell
Work Frequency
315MHZ±0.5MHZ 433.92MHZ±1MHZ
Power supply(Chime)
2x1.5V AA(NOT INCLUDED
Power supply(Sensor button)
3x1.5V AA(NOT INCLUDED)
Operating range(Open area)
Up to 120M
Sensor operating angle
110° horizonal 60° vertical