In this video, Karl Hans Welz talks about the rad 2400 hd. Even though this video was created something like a decade ago, this radionics device is still the same, the information is still helpful, and he demonstrates using the stickpad to set the radionic rate in the video. If you're located within the United States the rad 2400 hd is one of the devices you can order through my site here: https://www.chi-card.com/orderinfo/c_paypal.html (https://www.chi-card.com/orderinfo/c_paypal.html)