Brand: Microtel Model No: SP-F203 CID Type: Caller ID Corded Phone 10-digit calculator function,alarm function, caller id phone with blue backlight and call indicator. Caller ID Speaker Phone function Gneneral Type: Corded Speaker: Yes Phone-book Memory: 50 Speed Dialing: No Caller ID: Yes Warranty Details Features 10-digit calculator function,alarm function, Caller id phone with blue backlight and call indicator. Caller ID Speaker Phone function Good quality FSK/DTMF compatible 24 groups ringer can be selected Ringer Hi/Low Switch Three way Lock Calling back from caller ID list Two telephone line jack provided Flash time can be selected 1000ms,600ms,300ms,110ms Call in and dial out Brand Microtel SKU 100464012_NP-1020764011 Speaker Phone Yes