Handset 15 groups of chord music and ring on/off switc hable
Over-range alarm for hadnset
Manudlly adjust handset liquid crystal display brightness
Call in minmber talking
Music play function
SUto or manually scan free channel,avoid interferene handset keystoke cortrol electrical source switch
Handset pre-dial function
handset alarm clock,calendar function,autotime when calling
Handset incoming and outgoing numbwer check and call backfunction