the value for money is more than correct. I just got back on its use in the tropics, and it is only a personal experience that is not law book. Once the forearm and the unit protected by the top ... well it protects from rain but no indoor humidity! He quickly very hot in there is the hand quickly becomes damp because of the humidity released by your own body. So we roll up the hood to breathe all that the risk of less protect the device. Not that obvious. The experience of two operators.