Audio

Audio: the camera or recorder records sound too, not just images.

Terms on the same topic

Alarm inputAlarm input: ports for external sensors (door contacts, motion detectors); their signal starts recording or a notification.
Alarm outputAlarm output: a relay that switches on a siren, a light or a door lock when an alarm goes off.
Form factorHousing type: the shape of the device (dome, bullet, turret).
IK10IK10: a vandal-resistant housing that withstands strong impacts.
IP65IP65: a housing protected from dust and rain, for outdoor mounting.
IP66IP66: protected from dust and strong water jets; for outdoor mounting.
IP67IP67: full protection from dust and water; for outdoor conditions.
IP ratingIP rating: the degree of dust and water protection; a high number suits outdoor mounting.
Operating temperatureOperating temperature (°C): the range in which the device works safely.
Power consumptionPower consumption in watts: how much power the device draws.
Power supplyPower supply: how the device is powered (12V DC, PoE or 220V).
Two-way audioTwo-way audio: a built-in microphone and speaker; listen and talk through the camera.