sms GSM smoke detector to call and send sms

Product Name   GSM smoke detector to call and send sms   New technology GSM smoke sensor alarm to dial up owner phone     Features   * 5 groups auto dial phone number, 5 groups SMS phone number(28 limit for content of message including words, Punctuation, Arabic numerals)   * EEPROM Information protection, Information will never be lost   * Build-in NI-MH rechargeable battery, battery backup power automatically converted when ac power is interrupted   * Quad-band 850/900/1800/1900MHZ GSM/GPRS wireless industry module, stable and reliable   * AC, DC power supply, 24 hours uninterrupted alert   * SMS alarm content can be modified.   * Arm, disarmed, control, etc. remotely by Mobile phone   * Press the test button for 3 seconds to test the function works properly. Buzzer will send out long beep, the alarm is triggered.     GSM smoke alarm detector to call and send sms to the owers: More photos   Indicator   1.1        Red LED: GSM signal indication When connected with power, it flash every one second to detect GSM signal, If signal is detected, the LED would flash every 3 seconds; if no SIM card detected or weak signal, It would keep detecting and flash every one second.   1.2        Blue LED: When connected with power, it would stay on for Initialization, and 15s later, the LED is off. When the detector is triggered and alarm, the LED would stay on.    1.3        Red LED work indicator If there was fire nearby with thick smoke or under test mode (Pressing test button), the LED would flash every 0.67s with alarm sound; If the smoke is thin, the LED would not flash but with beep sound only; If battery is low volts, LED would flash with beeps.