Model: S262 S263 Name: GSM GPRS 3G Data Logger The GPRS 3G Logger is special for remote monitoring temperature, humidity, current, voltage, fuel level, pressure, air condition parameters and so on, it can setup ultra-high—high, low—ultra-low 4 alarm level. and 1 digital relay output can control via free charge call, SMS or GPRS. Also, the internal memory can save the historical for half a year for review. It provides daily report, schedule upload, event upload by the GPRS/3G to monitoring center or by SMS to the user mobile phone directly. 1. Quad-Band GSM Frequency,3G, supports SMS and Voice and GPRS/3G communication; 2. Programmable by SMS Commands or PC Configurator via USB; 3. 2 alternate Server via GPRS/3G wireless network, supports IP address and DNS; 4. Compatible with KingCenter CMS-02 via GPRS(Google map), and CMS-01 through SMS; 5. GPS module is optional, measure the Longitude,Latitude,Speed,Direction ; 6. Daily report, schedule upload, event upload; 7. 6 authorized phone numbers, each number can be used to receive SMS or both, also can be used for dial to switch ON/OFF the relay outputs, inquiry status; 8. One digital outputs (dry contact, NO/NC) with relay rating 10A/240VAC for connecting the switch of the air conditioner or machines, the outputs can setup as always ON, Pulse output, by SMS, authorized phone number dial in, and alarm events; 9. 4 inputs, 12bits, can setup interval time, interval value, ultra-high, high, low, ultra-low alarm can active the relay outputs and send programmable SMS to authorized phone numbers or via GPRS to monitoring center; 10. Internal memory, can save the historical data for review; 11. External AC Power monitoring, AC On/OFF will send SMS to authorized phone numbers; 12. Rechargeable Backup Battery inside can last 18hours; 13. Standard DIN Rail 35mm installation or outdoor enclosure.