Hikvision DS-PM1-O1L-WE AX PRO Relay Module 868MHz Two-Way Wireless, AES-128
Relay Module. Relay Output: 1 relay, NO/NC (0 to 36V DC, Max 5A). LED Display: Indicates device status and relay on/off state. Wireless Communication: 868 MHz two-way communication with AES-128 encryption.