The device for removing the speed limit for mid-motor e-bike Prophete/AEG/Batang. Make sure that Your e-bike’s speed sensor has blue 4-pin Higo connector (as shown on photo). - The real speed appears on display till 22 km/h, then the speed indicators are divided in half, for example 22 km/h on display show as 11 km/h, 25 km/h as 12,5 km/h, 50 km/h as 25km/h.
eBay