Intelligent GSM Alarm For Electric power Equipment Main Functions: 1. Intelligent Sound Alarm 2. GSM Remote Monitoring 3. Autonomous Control with Mobile phone 4. Suitable for all kinds of electrical equipments (such as transformator, oil well, water pump, street lamp, cable, light project and so on) 5. Zone positioning by GSM network Product Features: 1. No distance limit for alarming; 2. Intelligent wireless voice alarming, easy to install and use. 3.15 seconds voice record. 4. Easy to operate. User can use any telephone to record the installed area at random, modify password and alarm telephone number, time arm and disarm, set alarming period. 5. Start the alarming system within 1 second and call the preset 3 telephones automatically (recyclable alarming) within 10 seconds under either such circumstance as the electrical equipment is robbed, or 1 or 2 wires is disconnected in the three-phrase four wires of cable. 6. AC/DC double purpose; with built-in charge power supply, automatically transform; external power source will stop (or recover supply) after alarming, and emergency power supply can alarm continuously more than 1 hour. The stand- by time exceeds 48hours under power failure. 7. Fire-resistant, antifreezing and tamper resistant design; work under all kinds of severe weather Technical Data: 1. Alarm Range: no distance limit, cover all GSM network 2. Alarm delay: ≤ 10 seconds 3. Alarming telephone numbers: 3 (mobile phone or fixed - line telephone) 4. Average power consumed in normal working condition: ≤50mA. 5. Size of main unit: 135mm* 80mm *40mm 6. Range of working temperature: -40'C to 70'C 7. Voltage of external power grid:220V --380V less or more 20%