16MP Acusense Strobe Light and Audible Warning Fixed Turret Network Camera Hikvision DS-2CD23166G3-IS2UY/SL(2.8MM)(EF) UHD: Ultra High Definition delivers lifelike immersion Person and vehicle classification based on deep learning Active strobe light and audio alarm (/SL: white light, /SRB: red & blue light) Excellent low-light performance via Powered by DarkFighter Crystal-clear audio with Built-in Arrayed Dual-Mic, and Smart PA Speaker Clear imaging against strong back light due to 130 dB true WDR technology Water and dust resistant (IP67) Anti-corrosion design, providing reliability and longevity compared to standard (NEMA 4X) Tamper-free & eco-friendly packaging