SHOW NCL-4 speaker, 30W, indoor evacuation, 70V/100V, 1 pair

> 5-MP 1/2.7" CMOS image sensor, low luminance, and high definition image. > Outputs max. 5 MP (2960 × 1668) @20 fps, and supports 2688×1520 (2688 × 1520) @25/30 fps. > H.265 codec, high compression rate, ultra-low bit rate. > Built-in warm light and IR LED, the max. illumination distance is 30 m and the max. warm light distance is 30 m. > ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments. > Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes. > Intelligent monitoring: Intrusion, tripwire (the two functions support the classification and accurate detection of vehicle and human). > Abnormality detection: Motion detection, video tampering, audio detection, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, and voltage detection. > Supports max. 256G Micro SD card; built in MIC. > 12 VDC/PoE power supply, easy for installation. > IP67 protection. > SMD Plus.