The wireless internal sounder Hikvision DS-PS1-I-WE (red color) supporting 868 Mhz wireless communication, Tri-X wireless protocol, multiple enrollment methods, two-waywireless communication, multiple alarm sounds, and strobe light indication, is used for instant alarm alerting.
Hikvision DS-PDPG12P-EG2-WE...
Hikvision DS-KH6320-WTE1 Video...