Data Logger Flex Pharma 4.0 with Integrated WI-FI, Direct WI-FI, Automatic sending weekly report with Temperature Graphs and Error Messages by e-mail, with Back-up Battery 12V-2,3Amp and Dry Contact for remote alarm connectionLED display 7 segments, MicroProcessor DUAL CORE inside. WI-FI Connection, Free App for iOS Back-up battery 12V-7Amp, autonomy 72 hrs. Working As Cloud Data logger under WiFi Connection Only. With respect to independent Data logger , you have to Choice DTLS4 Main Visual and acoustic alarm for:  – HI and LOW temperature – Door Open – Device, Probes, Power and Compressor failure – Dirty Condenser over-heating, Components Life Time Warming – HI and LOW Voltage Alarm 195/260 Volts