DS-2CD2046G2-IU/SL

The affordable active-deterrent 4MP bullet

Most CCTV cameras are passive. They watch and record. The Hikvision DS-2CD2046G2-IU/SL is the entry-level active-deterrent alternative. Same 4MP AcuSense AI as the standard entry-level DS-2CD2046G2H-I, with a built-in white strobe and audible siren on top. When a person enters the camera’s detection zone (after AcuSense has confirmed it is actually a person), the strobe fires and the siren sounds. The camera does not just record the trespasser, it actively tells them to leave.

For starter home installs, cluster homes, and small-business positions where active deterrent matters at the front gate but the budget does not stretch to the bigger T46 active-deterrent unit, this is the right call. Genuine Hikvision build, full local warranty, AcuSense AI to make sure the strobe only fires on real people.

What this camera is actually good at

• 4MP resolution. Sharp face and number-plate detail in normal use.
• Built-in active strobe and siren. Automatically fires when AcuSense classifies a real human entering a configured detection zone.
• AcuSense AI classification. Critical here, because the strobe and siren must only fire on real people. Cats setting off the deterrent at 2am is exactly the situation we are designing against.
• Two-way audio. Built-in microphone and speaker. Talk to a delivery person at the gate from your phone, or shout directly through the camera at someone who should not be on your property.
• Up to 30m IR illumination. Total-darkness coverage when the strobe is not active.
• IP67 weather-sealed and IK10 vandal-resistant housing.

Where this camera belongs on your property

• Front gates and driveways as the first-line active deterrent on a property
• Side passages and pedestrian access points where the strobe firing visibly is the loudest message you can send
• Small business shopfronts after hours, where the strobe and siren give you a meaningful response before anyone has to drive there
• Cluster home patios where neighbours can also hear and react to the siren
• Cottage and outbuilding entrances particularly when separated from the main house

If you want a step up in capability

• The DS-2CD2T46G2H-IS2U/SL 2.8mm is the bigger-bodied premium version of this camera. Same active deterrent, longer 60-metre IR range, beefier housing. The right choice for boundary walls and properties where the camera needs to reach further.
• The DS-2CD2T46G2-ISU/SL is the previous-generation T-series active-deterrent option.

If you want to compare at this level

• The DS-2CD2046G2H-I 4mm is the same entry-level 4MP body in a tighter lens, without the active strobe.
• The DS-2CD2046G2H-I 2.8mm is the wide-angle passive AcuSense alternative.
• The DS-2CD2041G0-LIU is the older 4MP option without active deterrent or AcuSense.

For complete home or small business setups, this camera pairs cleanly with the DS-7616NXI-K2 16-channel NVR.

The strobe and siren only work when configured properly

An active-deterrent camera that fires its strobe at every cat is worse than no strobe at all. Configuration is critical: AcuSense detection zones drawn precisely, sensitivity calibrated for the property, schedule rules so the strobe only fires when you want it to (typically at night or when the property is unoccupied), and the alarm trigger logic set up so security response and homeowner notifications happen in the right sequence.

We do all of that as part of every install across Pretoria East, Centurion, Midrand, and Johannesburg.

Full 3-year Hikvision South Africa warranty through authorised distribution. Pricing on the CCTV installation prices page.

Browse the Hikvision IP bullet camera range or read more about Hikvision CCTV systems. See more on home CCTV installations. Current installation specials available. Common questions answered on the CCTV FAQ page.

How Hikvision active-deterrent cameras work

Active-deterrent cameras combine AcuSense AI with audible siren and white-light strobe to deter intruders the moment they are detected.