Dual band WiFi router with 6700mAh Battery which has the capability to run open-source firmware such as OpenWRT. See previous deal for discussions
One Key Backup: Upload your SD card-stored photos to your HDD or flash drive easily at 12-18 mb/s.
2019 Upgrade: with 300Mbps Wi-Fi speed on 2.4GHz band and up to 433 Mbps on 5GHz.
Wireless Travel Router: Instantly convert a wired network to private and shared Internet
Wireless Storage Backup: Transfer photos, music and files between SD cards, flash & Hard drives
Save Photos and Videos on SD Card or HDD Directly: via in-app camera.
Media Share & Personal Cloud: Seamlessly share with your families & friends
Media streaming: your videos, photos, and music on your connected smartphones, tablets, TVs etc
Back-up Power when you need it: with an inbuilt 6700mAh Powerbank
Only problem with OpenWRT is you can lose features like battery indicator. Stock firmware features have been pretty limited on older models in my experience. Good kit but frustrating.