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

Lite Plus Series | DH-HAC-HDW1801T-Z/T-Z-A    www.dahuasecurity.com  DH-HAC-HDW1801T-Z/T-Z-A  4K HDCVI IR Eyeball Camera     System Overview  Experience 4K video surveillance with the simplicity of reusing existing  coaxial infrastructure. The 4K HDCVI camera adopts a powerful Dahua  ISP and advanced 1/2.7" CMOS sensor, which provides superior high  quality images. In addition, the camera features broadcastquality audio  to provide enhanced supplementary evidence collection. Ultra-high  definition and a complete set of features makes the 4K HDCVI camera  an ideal choice for mid to large-size businesses and projects where both  highly reliable surveillance and construction flexibility are demanded.    Functions  4 Signals over 1 Coaxial Cable  HDCVI technology supports 4 signals to be transmitted over 1 coaxial  cable simultaneously, i.e. video, audio*, data and power. Dual-way data  transmission allows the HDCVI camera to interact with the HCVR, such  as sending control signal or triggering alarm. Moreover, HDCVI technol-  ogy supports PoC for construction flexibility.  * Audio input is available for some models of HDCVI cameras.  Long Distance Transmission  HDCVI technology guarantees real-tim