Usage:Personal Product Name:GSM Alarm System Network:GSM+WIFI 3G+WIFI Optional Support:TFT Screen+Touch keypad+ RFID Card APP remote control:Support IOS &Android system APP 88 3G Frequency:3G WCDMA 2100 900MHZ 850 1900MHZ Alarm method:SMS Calling APP IP Camera:Work with IP Camera Backup battery:1000mA GSM Frequenc 1900mhz