Tri-Guard 2.0 8MP 4K UltraHD Red/Blue Active Deterrence Lights, White Light, and IR LED Turret IP Security Camera with a 2.8mm Lens and Two-Way Audio (U18MPTG2T1) Refurbished Supports connection to doorbell through

Supports connection to doorbell through Sub-1 GHz

Built-in speaker and microphone

has accessories

Support 2 miniSAS Interfaces

Supports 1 SATA HDD up to 8TB

Tri-Guard 2.0 8MP 4K UltraHD Red/Blue Active Deterrence Lights, White Light, and IR LED Turret IP Security Camera with a 2.8mm Lens and Two-Way Audio (U18MPTG2T1) Refurbished Supports connection to doorbell throughGreat Condition, Unused, Has Accessories, Branded. High quality image with 8MP, 1 2. 8"CMOS sensor 8MP (3840*2160)@ 30 25(default)fps; 5MP (3072*1728)@ 30 25fps; 4MP (2560*1440) @30 25fps; 2MP (1920*1080) @30 25fps Ultra 265, H. 265, H. 264, MJPEG Intelligent perimeter protection, include cross line, intrusion, enter area, leave area detection Based on target classification, smart intrusion prevention significantly reduce false alarm caused by leaves,