> 160x320 graphic LCD with 16-level grayscales
> LCD Backlight
> Two page views are possible
> Different icons for each function shown on the LCD
> 20 physical keys each with a dual-color LED
> Programmable for shared line, BLF List, call park,
conference, forward, group pickup, group listening,
LDAP, Pick UP, XML Browser

Physical Feature:
> Wall mountable
> Stand with 2 adjustable angles
> Expansion module (≤2) is powered by the host phone
> Supports up to 6 modules daisy-chain
> 2xRJ12（6P6C）ports for data in and out
> Dimension (W*D*H*T): 127mm*213mm*167mm*45mm
> Applies to Yealink IP Phone
> Operating temperature: -10~50°C