school project hiking

Our device has a couple functions and we would like your opinion on it.

1. Here is a picture of our idea with explanation about the functions, please open it before answering the questions
2.Did you ever get lost while hiking or do you know someone that got lost while hiking?
3.Do you feel safe when hiking alone?
4.Do you think that the device would help to decrease the amount of lost hikers and people that pass away before being found?
5.Where would you like the device to be attached to you?
6.how big can it max be
7.Do you miss a function on our device? so yes what?
8.do you think you would use our device? (It can be taken for free)
9.We're planning on making it free so everyone can take it with them, do you think other people will use it?
10.Other concerns?