Hikvision 4 MP ColorVu 3.0 Bullet Network Camera DS-2CD1T47G3-LIUF/SL

The DS-2CD1T47G3-LIUF/SL is a 4 MP ColorVu 3.0 bullet from Hikvision’s 1-Series, and the suffix matters more than the housing: /SL means active deterrence, so on a detection the camera throws a strobe and sounds an audible alarm instead of quietly filing the clip. That changes what handover means. A recording-only camera can be aimed and forgotten; this one acts on site, in front of staff and neighbours, whenever its rules say so.

Which is why the bracket being tight is the halfway point, not the finish. Out of the box it carries a factory clock, a password that is not yours, the default detection area, round-the-clock deterrence and a recording profile nobody chose. Leave it and week one gives you a strobe firing at eleven in the morning in a delivery bay, and a timestamp two hours out on the clip the insurer asks for. A /SL camera that has been mounted but not commissioned is not a deterrent — it is a nuisance alarm with your phone number attached.

Where it earns its place on a site

It belongs where the deterrent is the point: yards, forecourts, side gates, compound perimeters and shop frontages that go quiet after closing, where the client would rather interrupt someone than identify them a week later. As a 1-Series device it is a volume camera, specified by the dozen down a fence line, not the analytics workhorse for a high-value approach.

Before you order — three things to confirm

• Fixed lens choice. Focal length is decided at the order, not on the ladder. Measure the run to be covered and confirm the variant against the datasheet before opening the box — no zoom rescues a wrong call.
• Who will hear the alarm. Deterrence is only welcome where a firing at two in the morning does not land on a neighbouring flat. Walk the site after dark and agree the arming schedule in writing before ordering /SL over a silent model.
• Recorder and switch headroom. Confirm the NVR has a free channel and firmware current enough to expose this camera’s settings, and that the switch feeding it has budget for another device.

Technical specifications

• Resolution class: 4 MP
• Form factor: fixed bullet, external mount
• Range: Hikvision 1-Series network (IP) camera
• Imaging: ColorVu 3.0
• Deterrence: /SL — strobe light and audible alarm on detection
• Lens focal length, supplement light distance, wide dynamic range, ingress protection, storage and power: full manufacturer datasheet available on request — call 16454

Compatibility

A standard Hikvision IP camera: it enrols on current Hikvision NVRs, Hik-Connect and iVMS-4200. Two commissioning cautions. Deterrence behaviour lives on the camera, so set the schedule, linked actions and audio on the device itself and verify from the recorder afterwards. And older NVR firmware often enrols the camera while hiding its newer settings pages — update the recorder first.

What’s in the box

The camera with the manufacturer’s packaged documentation and fittings. We do not list brackets, junction boxes, power supplies, cable or memory cards as included; an accessory assumed rather than confirmed is a second visit. Contents for the current revision are confirmed on the order.

Common questions on this model

What has to be signed off before I hand this camera over?
Time and time zone synced to a source the client keeps; the default password replaced and recorded where the client can reach it; firmware current; detection zones drawn to the ground that matters, not the whole frame; the deterrence schedule matched to occupied hours; retention set to the agreed days; and one witnessed night-time test of strobe and audio. Anything left on default becomes your support ticket.

The strobe keeps firing at nothing. What did we miss?
Almost always the detection area. A zone covering the whole frame takes in a public road, a tree line or a lit sign and triggers on all three. Redraw it to the ground the client owns, use person and vehicle classification rather than raw motion, and arm deterrence outside working hours. Change the zone before you touch sensitivity.

Can the deterrence be switched off?
Yes — strobe and audio are scheduled functions: leave them disarmed, or armed on a night-only window, and recording is unaffected. But if the client will never want the alarm, specify the model without the /SL suffix and spend the difference elsewhere.

Supplied as genuine Hikvision stock with the official one-year manufacturer warranty and delivery across Egypt. For the datasheet, lens options or a scheme take-off, call 16454.