Yealink (EXP50) Colour Expansion Module For T58V/T58A/T56A/T54S/T52S,4.3" Colour Screen keypad Protection and Safety: Designed to

Protection and Safety: Designed to safeguard connections from environmental factors

The ES10 Series strikes are pre-drilled to accommodate for extension lips and have a holding strength of up to 1200kg

encrypting and protecting up to 3 TB on a single cartridge

Door position monitor with integrated magnet into the strike plate (no need to install a separate reed switch)

acoustic echo cancellation

Yealink (EXP50) Colour Expansion Module For T58V/T58A/T56A/T54S/T52S,4.3" Colour Screen keypad Protection and Safety: Designed toThe Yealink Color Expansion Module EXP50 is considered to be an attendant console. It is specifically designed for Yealink T5 Series IP phones which include SIP T58V, SIP T58A, SIP T56A, SIP T54S, and SIP T52S. This expansion module will definitely give you an outstanding and satisfying feature and functionality. It is fully equipped with a 4. 3" 272 x 480 pixel color screen, 20 physical keys with dual color LED lights and 3 independent control keys