Q:Does need any special software?

A:This selfie stick does not need to download any application, does not need bluetooth and network connection, it will save you more time, very convenient, hope you like it too.

Q:What is the farthest distance it will track a body?

A:Selfie stick can track objects at a distance within 10 meters

Q:Can the bottom screw into a tripod?

A:Yes, the bottom can be linked with a tripod