Check the listing for details. Elitech 4G Wireless Temperature Humidity Monitor Data Logger RCW-360Pro-SC. Condition: New. Listed at 7.74 USD. Elitech 4G Wireless Remote Real-Time Monitor RCW-360Pro-Single Channel Switch between Celsius and Fahrenheit Technical Specifications Alarm buzzer Alarm occurs,sounding for 1 minute Alarm Method Local Alarm, Cloud Alarm (SMS, APP, Email) Normal recording interval 1 minutes ~ 24 hours allowed, Default 5 minutes Alarm recording interval 1 minutes ~ 24 hours allowed, Default 2 minutes Normal upload interval 1 minutes ~ 24 hours allowed, Default 5 minutes Alarm upload interval 1 minutes ~ 24 hours allowed, Default 2 minutes Battery Rechargeable 3.7V 4000mAH lithium battery Battery Life ≥10days(@25°C, upload interval 5mins)； ≥60days(@25°C, upload interval 30mins) Software For macOS & Windows system Report Format Automatic PDF report; PDF/EXCEL/TXT*via software Offline Record 100,000 points Protection Class IP64 Logging Mode Stop when full; Circular logging Communication Method 4G(Without SIM card) Working environment -20~60℃,0~90% RH(non condensing) Certification Each probe has a calibration certificate, and the device does not with certificate.