Wi-Backup uses a specialized App to backup treasured photos on your smart phone or tablet wirelessly without the use of a computer. Store a copy of your data on an external hard drive, USB flash drive or SD card to expand storage space on your mobile devices. Wi-Backup is equipped a 5200mAh battery which can be used to power it for up to 14 hours. Your worries about having no Wi-Fi hotspot in hotels during trips are over. Our lightweight and portable Wi-Backup conveniently converts an internet cable to a hotspot and allows connections to your laptop, tablet and smart phone. Specifications: Wireless Speed: Up to 150MbpsStandards: IEEE 802.11 b/g/n Wireless modes: Router and Repeater Battery: 5200mAh Li-Polymer Rechargeable Battery Max Output Current: 2.1ASecurity: WEP, WPA/WPA2, WPA-Mixed encryption Network Protocol for File Server: SAMBA/FTP/HTTP/DLNA File system Support: FAT16; FAT32; exFAT; NTFSSD Standard Support: SD, SDHC, SDXC Wireless Storage Read/Write Performance: 9.05/6.65MB per sec (40MHz)Available Ports: USB 2.0; SDHC/SDXC card slot; Ethernet RJ-45 10/100Mbps; Micro-USB for charging Dimensions: 91 x 82 x 36.8 mm (L x W x H)Weight: 0.165 kgs Warranty: 1 Year, limited.