Keep track of the entrance to your home or business with Knightsbridge’s Wireless PIR Sensor Door Chime (DC006). This clever device automatically alerts you of anyone within 8m of your front door – an equally apt solution for greeting customers and scaring off unwanted visitors. The DC006 features thirty-six pleasant melodies and three different functions to choose from. So, whether you prefer a flash, a ring, or both, it’s no problem. You can also adjust the sensor for optimal aim. ABS Casing. Can be installed on ceiling or wall. Instant door chime alert on presence detection. PIR Sensitive for up to 8m. PIR can be adjusted right and left by 100’ and up and down by 80’. 36 Polyphonic melodies to choose from 1 million sets of auto-learning codes to avoid interference. 100m Transmission range (dependent on environment). 433MHz +/- 0.5MHz Transmission Frequency. 80db Door Bell Volume (Adjustable). IP20 Rated PIR Unit (Protection against solids). IP20 Rated Chine U