... phone Yellow-Green LCD Backlight, SMS, Schedule, Alarm Clock, Calculator CDMA fixed wireless phoneITEM NO: KT2000(41D)Basic Features:External AntennaDouble large ... and Hand-Free Mode28 Keys with On/Off switchSchedule, Alarm Clock, CalculatorSpeed-DialingTwo-Way SMS MessagingAdapter AC Input : 100 ~ 240 VAC ... -10°C~ +50°CHumidity0%~95%Air Pressure86~106KPa CDMA fixed wireless phone