Celec power logger is designed to log the data from celec es series devices. 1. Usb storage: all electrical data stored directly on usb pen drive in .csv file format. Data files in the pen drive can be opened and analyzed in microsoft excel directly. Celec provide pc software power analyzer to analyse all electrical parameters graphically. 2. Wi-fi : direct hot-spot : used for initial settings, registration, selecting router and internet connections.Pc, android or apple can be connected directly through web browser.Online router : power logger can be connected to pc software power analyzer through router, once settings and registration done in direct hot-spot modeonline google cloud : power logger can send data directly to google cloud. Can be analysed ingraphical format using web browser. Login using android apponline celec server : data sent direct to celec server .