["Please watch the video on the homepage carefully and check the label on the controller so that it wont work after purchase.This is very important!" KT LCD5 is a smart display compatible with 24V/36V/48V/52V voltage can automatically identify your lithium battery and adjust itself This electric bicycle LCD display is made of stable motherboard and comprehensive performance plastic Installed on the left side of the handlebar it can be operated directly with the left hand during riding to ensure riding safety Data display: riding speed single mileage and accumulated mileage riding time power-assisted gear motor power and temperature battery voltage and charging status braking status and working environment temperature and other riding parameters. LCD5 Display also supports the modification of P parameters and C parameters. If your PAS is 10 magnetic points or 12 magnetic points you can achieve a perfect match by modifying the C parameters. There are a lot of specific tutorials on the video website. Of course You can also contact us for a tutorial.]