(TWK04(DIN-rail Mount Adapter)) 2-wire IP Intercom Kit S213K-2 + E217W-2 + Smart Pro APP 1. Plug & Play 2. IK07 & IP65 3. Multiple Unlock methods (IC card,Pin Code,QR code,APP,Indoor monitor) 4. Check alarm notifications on the APP 5. CCTV integration 6. Extendable to 1 Door stations, 3 indoor Monitors