Operational principles
The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.The system uses a passive IR sensor to detect human presence at an IR level. To avoid false alarms, the data received is digitally processed.