i503W Portable Indoor Station

2.8' 'resolution 320 × 240 pixels
5W speaker
Supports G.722 and opus audio codecs
Battery-powered, 2600 mAh battery capacity 
Hardware decoding: H.264, H.265 (optional)
2.4 GHz & 5 GHz Wi-Fi 6 
5 programmable physical buttons
Desktop Installation
Remote door unlocking
Whole-home broadcast & multi-party full-duplex voice 
communication
(comes with PSU by default)