Juq300 4k Updated Updated -

Previously, these devices may have recorded in 1080p or 2K (like 1600p), but a firmware update unlocked the 4K functionality. This update transformed a standard dash cam into a 4K-capable device without any new hardware. For context, premium dash cams from brands like Viofo or BlackVue often market 4K as a headline feature at a significantly higher price point. With this update, a budget device suddenly offers what was once exclusive to higher-end models.

| Feature | JUQ300 4K (Updated) | Competitor (Mid‑Range) | |---------|--------------------|------------------------| | Input Lag (Game Mode) | 4.2 ms | 6‑8 ms | | VRR (Variable Refresh Rate) | Yes (120 Hz) | Yes (60 Hz) | | Auto Low‑Latency Mode (ALLM) | Yes | No | | HDMI 2.1 Bandwidth | 48 Gbps (supports 4K@120 Hz) | 18 Gbps (4K@60 Hz) |

, providing native access to apps like YouTube, Netflix, and Disney+. Connectivity : Support for Bluetooth 5.4 for more stable streaming and wireless audio connections. Keystone Correction juq300 4k updated

| Spec | Updated Model | Comparison (Original) | |------|---------------|------------------------| | Panel Type | VA‑Quantum 2.0 (Quantum Dot + Mini‑LED backlight) | Standard VA | | Resolution | 3840 × 2160 (4K UHD) | 3840 × 2160 | | Refresh Rate | 144 Hz (native), supports 120 Hz VRR | 120 Hz native | | Peak Brightness | 1500 nits (HDR) | 1000 nits | | Contrast Ratio | 8000:1 (local dimming 384 zones) | 4000:1 (local dimming 192 zones) | | Color Gamut | 100% DCI‑P3, 98% Adobe RGB | 95% DCI‑P3 | | HDR Formats | HDR10+, Dolby Vision, HLG | HDR10, HLG | | Input Lag (Game Mode) | 4.2 ms (at 144 Hz) | 7.8 ms | | HDMI Ports | 4× HDMI 2.1 (48 Gbps) | 2× HDMI 2.0 | | USB | 2× USB‑C (DP Alt Mode) + 2× USB‑A 3.2 | 1× USB‑A 2.0 | | Audio | 2× 10 W Dolby Atmos speakers + HDMI‑ARC/eARC | 2× 8 W stereo | | Smart Platform | JUQ‑OS 5.0 (Android 13 base) | JUQ‑OS 4.0 (Android 11) | | Power Consumption (typ.) | 120 W | 140 W |

Snappy smart interface with Wi-Fi 6 ensures lag-free streaming. Budget-friendly pricing makes it accessible. Compact, lightweight design is highly portable. Not a native 4K output resolution. Built-in audio lacks deep bass. Previously, these devices may have recorded in 1080p

: The device's durability and advanced features make it suitable for use in industrial sites, parks, and other public areas, contributing to community safety and security.

: A specialized mechanical iris enables a deep 2,000,000:1 contrast ratio. With this update, a budget device suddenly offers

The original JUQ300 debuted in late 2023 with a solid reputation for its HDR performance but was criticized for limited connectivity and a somewhat dated UI. The 2026 “updated” version addresses these shortcomings while keeping the price competitive—currently for the 55‑inch model and $799 for the 65‑inch version.

* Security Systems & Cameras. Home security systems. Indoor security cameras. Outdoor security cameras. Doorbell cameras. * Locks. The New York Times GOOJODOQ HY300 Pro Portable Projector User Manual