"Color-screen Expansion Module
By connecting the EXP50 to a compatible Yealink Teams phone, the module support showing up to 20 contacts on each page for speed dialing or call transfer, while the status of the contacts are synchronized and presented with the color of the presence LED.
Features
• 4.3"" 272 x 480-pixel color screen
• Color icons for rich visual experience
• 20 physical keys on each page with dual-color LEDs
• Three independent control keys with lluminated LED for fast switching pages
• Supports up to 3 modules daisy-chain
• Stand with 2 adjustable angles"
By connecting the EXP50 to a compatible Yealink Teams phone, the module support showing up to 20 contacts on each page for speed dialing or call transfer, while the status of the contacts are synchronized and presented with the color of the presence LED.
Features
• 4.3"" 272 x 480-pixel color screen
• Color icons for rich visual experience
• 20 physical keys on each page with dual-color LEDs
• Three independent control keys with lluminated LED for fast switching pages
• Supports up to 3 modules daisy-chain
• Stand with 2 adjustable angles"
Manufacturer Link:
https://www.yealink.com/product/accessories-exp50