Hikvision AX Pro Kit: Connects up to 64 wireless zones/outputs, 32 wireless keyfobs, 2 repeaters, 4 sounders, 8 tag readers & keypads, and PIRCAM. Kit content: 1 x DS-PWA64-L-WE panel + 1x Wireless PIR: DS-PDP15P-EG2-WE + 1x Wireless Magnetic Contact: DS-PDMC-EG2-WE + 1x Keyfob: DS-PKF1-WE