Almost the size of an iPhone XR, Akuvox R20A-2 is a SIP video door phone specially designed for narrow space.

• 2-wire SIP Intercom with one Button (Video & Card reader)
• Body material: Zinc alloy
• Camera: 2M pixels, automatic lighting,Viewing angle: 110°(H) / 58°(V)
• RF Card Reader 13.56MHZ & 125KHZ Card reader
• Output Relay: 2 output relays for door opener
• Water-proof & Dust-proof: IP65
• Installation: Surface Mount model
• Powered by Akuvox NS-2 or C313W-2
• Two-way audio communication over IP networks with Echo Cancel
• Support connecting with C313W-2 or NS-2 through 2-wire cable

Apart from these, you can find manifold other smarter features and we at Cohesive Technologies give you the best options.