Hikvision DS-PKF1-WE Technical Specifications Wireless Protocol: Uses Hikvision’s proprietary Tri-X Wireless technology (868 MHz), ensuring high-speed, reliable, two-way communication. Security: Features AES-128 encryption, which protects your system from signal interception or cloning attempts common with generic 433MHz remotes. Functions: 4-button design supporting: Full Arm, Disarm, Stay Arm (Partial arming for home/night mode), Panic Alarm (Configurable to trigger immediate alerts) Frequency Hopping: Automatically switches frequencies to avoid interference, ensuring a stable connection even in environments with multiple wireless devices. Battery Life: Approximately 2 years (based on standard use), and the battery is easily replaceable by the user. Supervision: The system monitors the connection constantly; if the keyfob is lost or the battery fails, the Hub will report a status update to your Hik-Connect app