Jennov 6MP PTZ PoE IP Dome Surveillance Camera (P91)
Jennov camera

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Why Are PTZ Cameras More Sensitive to Horizontal Movement?

This blog explains why PTZ cameras are more sensitive to horizontal movement. It covers key reasons: mechanical design (pan is more efficient than tilt), sensor/lens optimization for horizontal coverage, stable weight distribution for panning, real-world surveillance prioritizing horizontal motion, and zoom amplifying horizontal sensitivity. It notes this is a deliberate design, not a flaw, to boost PTZ’s core tracking function.

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Don't Strangle Your Camera: Why Your PoE System's Lifeline is Its Network Cable

This blog emphasizes that network cables are the lifeline of PoE security systems. It explains PoE cables’ dual role (power + data), how bad cables cause issues (power loss, blurry footage, overheating), key features of quality cables (category, copper conductors, certification, weather resistance), and why a 1-meter short cable aids troubleshooting—helping users maintain reliable PoE camera performance.

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4K Security Camera Guide: Unleashing the Power of High-Resolution Surveillance

This 4K security camera guide explores the power of high-resolution surveillance. It explains 4K’s key benefits—crystal-clear details (e.g., license plates, faces), wider coverage per camera, and better post-recording zoom. It also covers considerations like storage needs, bandwidth requirements, and compatibility with systems, helping readers choose and use 4K cameras effectively for home or business security.

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Top 5 Advantages of Dome Security Cameras

This blog outlines the top 5 advantages of dome security cameras. It highlights their discreet design that blends with surroundings, tamper-resistant structure (hard to reposition/tamper with), wide viewing angles for broad coverage, weather resistance for outdoor use, and versatile installation (ceilings/walls). These perks make them ideal for homes, offices, and retail spaces needing reliable surveillance.

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Does the “Z” in PTZ Always Mean Optical Zoom?

This blog answers whether the "Z" (Zoom) in PTZ cameras always means optical zoom. It explains that while optical zoom (using lens adjustments for sharp, lossless detail) is common for "Z", some PTZ models use digital zoom (enlarging pixels, causing quality loss) instead. It breaks down the differences between the two zooms, why manufacturers might use digital zoom, and tips to check which type a PTZ camera has—helping buyers avoid misunderstandings.

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Window Security Cameras: What to Look for & Where to Install

This blog focuses on window security cameras, explaining why they matter (windows are security weak spots) and key features to look for: glare/relection reduction, suitable night vision, weather resistance (for outdoor use), compact design, and custom motion detection. It also guides on installation—prioritizing high-risk windows, choosing indoor/outdoor mounting, and avoiding placement mistakes, plus bonus usage tips.

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