1 Api Keys
For use Google and Bing map you need set valid key
2 Select map language for GoogleMaps and YandexMaps
3 Max Cluster Radius
A cluster will cover at most this many pixels from its center, default 1. Set -1 for disable
for example 80
4 Load Chosen
This option load Chosen js
Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly