Welcome to our Nutt Hydraulic Brakes Mix n Match. You are buying what you will choose, nothing more, nothing less.
Front brake cable is about 130cm and rear is about 200cm.

Some of the scooters that can take Nutt brakes are:
#Kugoo G-booster
#Kugoo ES3
#Dualtron Ultra
#Ultron11
#FLJT113
#Beast
#Janobiket10
#Speedwayv2
#Kugoo M4pro
#Kugoo G2pro
and possible many more but keep in mind that you might need to replace the brackets and that it is your responsibility to make sure that they will fit on your scooter.
You are welcome to contact us if you are not sure what side callipers you need.
You can have a look on this video for some instructions.
https://www.youtube.com/watch?v=PYrPfy2GTmI&feature=emb_logo

There are no futher instructions on how to fit them so if you still not sure that you can fit them then we strongly suggest that you seek professional help.