SD-004

Learning code matching of chime and transmitter to avoid interference
8pcs selectable melodies for chime

A PIR sensor which active door chime ,for indoor use only
PIR detecting range max.4 meter
PIR to door chime in range max.100 meter

A magnetic sensor is normally mounted on doors or windows
Magnetic sensor to door chime in range max.100 meter

These sensors can be fitted to cat flaps,garage doors and even cupboards,
Each sensor can trigger the door chimes to play alarm sound.
Easy installation no wiring required

Power supply
Chime by 3pcs C size battery
PIR sensor by 1pcs 9V/6LR61 battery
Magnetic sensor by 1pcs CR2032 battery