Hikvision DS-2CD2387G2-LU Performance Series ColorVu 8MP Outdoor WDR Turret IP Camera with Built-In Microphone, 2.8mm Fixed Lens, White
Amazon.com : 4MP Color VU PoE Turret Network Camera with 2.8mm Lens, Smart Human/Vehicle Detection, Color Night Vision, Built-in Mic/SD Card Slot, IP67, H.265+, Compatible with Hikvision DS-2CD2347G2-LU (NO Logo) : Electronics
Hikvision 2.8mm vs 4mm Comparison (External) - CCTV Aware Essex