Kiisu V4B replicates the functionality of Flipper Zero. It can do copy RFID/NFC tags, manipulate wireless SubGHz and Infrared remote controls and interface with all the same GPIO modules. It even runs the exact same firmware as Flipper Zero. All of this at about half the price.
This is not a sponsored video - I bought this product with my own money from: https://kiisu.io/kiisu-v4b/
Momentum firmware: https://momentum-fw.dev/
Flipper Zero: https://flipperzero.one/
0:00 Intro
1:00 Hardware
3:45 Software
6:55 Is it worth it?
9:30 Outro