The Color KT-LCD8H 60v is a display designed for a 60v battery system and is compatible with a 35a 60v KT controller link below. It is compatible with various voltages, including 24V, 36V, 48V, and 60V systems. The display provides real-time data like speed, battery level, and assist gear, and can be downloaded from the provided link. 
 
https://www.electrobikeworld.com/product-page/35a-60v-kt-controller