Hikvision IP camera DS-2CD1B47G3H-LIUF/SRB 2.8mm PL Model: DS-2CD1B47G3H-LIUF/SRB 2.8 mm PL Most important features. Converter: 1/1.8" Progressive CMOS; ICR mechanical infrared filter; Resolution: 2560 1440 (4MP), 20 fps (day/night); Compression: H.265+ / H.265 / H.264+ / H.264; Image functions: WDR / 3D DNR / BLC; Smart Hybrid Light IR illumination or white light, range up to 30 m; Built-in microphone and speaker; Active light and sound repulsion; Red-blue warning light; Power supply: 12 V DC or PoE; Mobile view support: Hik-Connect; Hikvision Active deterrence for use in a private house/plot. Cameras with active deterrence are equally effective in protecting your home. they can deter a thief from trying to enter the field; sound alarm + flashing light are a signal to the intruder that the object is being monitored, which significantly increases the level of repulsion,; human/vehicle detection allows you to avoid false alarms (e.g. animal, leaves in the wind),; smartphone notification allows the owner to immediately check what is happening even when he is outside the house,; the possibility of two-way audio communication (microphone + speaker) allows you to respond or warn the intruder.; It is an ideal solution for houses, gardens, driveways, garages, small plots where a quick response and deterrence are a priority.