GSM 3G/4G Elevator Intercom

Keyword: 3G Elevator Intercom, GSM Elevator Intercom, 4G Elevator Intercom, Elevator SOS Intercom, Elevator Intercom System,3G Gsm Elevator Emergency Intercom GSM (3G/4G optional) Elevator Intercom K1S is a Brevity,Fashion,Neat design Elevator Emergency call unit, it is special for emergency call out for help or voice communication. It is suitable for different elevators,closed public area emergency call. Inbuilt microphone and speaker for two way talk. White List function enable K1S to block unknowing numbers. Simple setting by SMS commands or Smart Phone APP. Li-ion rechargeable back up battery to ensure K1S works even AC power lost. ►Brevity, Fashion, Neat Design. ►GSM Quad-band frequency: 850/900/1800/1900MHz.(3G/4G optional) ►High quality voice communication,10 white list number accept. ►Auto answer phone call from White List. ►Press intercom button to dial the first 3 white list numbers for three times. ►Also can press key to send SMS to the first 3 white list numbers. ►AC/DC power goes ON/OFF alert by SMS. ►Rechargeable backup battery. ►Easy for use: Push intercom button to talk. ►Easy installation: Wall mount. ►Easy operation: Smart phone APP or SMS commands. For more information please feel free to contact us: E-mail:sales03@gsmalarmsystem.com Ali Trade Manager:cn220076270 Skype:gsmhousealarm QQ: 1270575154