Overview
The Hikvision DS-2TD2138-4/QY is an outdoor, anti‑corrosion thermal network bullet camera designed for perimeter protection, early temperature/fire exception alarm and industrial critical‑infrastructure applications. It uses a 384×288 VOx uncooled thermal detector with a fixed 4.4 mm lens and supports multiple temperature‑measurement rules, behaviour analytics and local or network storage.

• Thermal detector: VOx uncooled FPA, 384 × 288 (12 µm), NETD < 35 mK (25°C, F1.0)
• Temperature measurement: −20°C to 150°C; up to 21 temperature rules (10 points, 10 areas, 1 line); temperature accuracy ±8°C
• Analytic features: behaviour analytics (line crossing, intrusion, region entrance/exit), up to 8 VCA rules
• Video & streams: H.265/H.264, up to 3 streams, main stream up to 25 fps at supported resolutions; digital zoom 2×/4×/8×
• Connectivity & storage: RJ45 10/100 Mbps, ONVIF support, microSD up to 256 GB, NAS (NFS/SMB/CIFS)
• Environmental protection: IP67, IK10, TVS 6000V lightning/surge protection; operating temperature −40°C to 65°C
• Power: 12 VDC, 24 VAC or PoE (802.3af, Class 3); typical max consumption ≈ 5–5.5 W

Use cases
Perimeter security, preventive fire/temperature detection, industrial sites, airports, rail, power stations and other critical infrastructure. Designed for outdoor, anti‑corrosion environments.

Installation & compliance
Professional installation is recommended. Check local regulatory and certification requirements (CE / UKCA) for deployment in your market. Ensure correct earthing and surge protection for external installations.