I have the Mindstoms NXT, not sure which one because Im pretty sure there are multiple. I still have the robo dog I built using a guide from the internet.
I hope the battery life is better, and if I ever wind up buying this Im going to need to learn to splice ethernet cords, it sucked having cords that were too long.
If you have the sound sensor it's a 1.0, if you have the
color (not light specifically) sensor, it's the 2.0. I'm assuming 1.0 from the robodog which uses the sound sensor.
You can buy shorter cords on the Lego education website for cheap, without the hassle of splicing and soldering and heat-shrinking.