(Only works with Xiaomi 4 pro gen 2 AND Xiaomi 5 ! Not xiaomi 4 pro gen 2 lite, not 4 pro, not xiaomi 4, not xiaomi 5 pro or max!). This is all you need to flash/remove speed limiter on a Xiaomi 4 Pro 2nd gen & Xiaomi 5 E-scooters.
eBay