Do not try to film yourself whilst scaling a mountain. It is highly perilous. If you want digital proof, get Action Camera. It attaches to a helmet or handlebars, and will record your antics using a 640×480 VGA CMOS sensor.
* Easy to use LCD display
* Handlebar grip
* Helmet grip
* Two touch-fastening straps
* Silicon rubber head strap and silicon grease.
* 32MB built in memory
* Features a built-in SD card slot
* Dimensions: Height: 12.0cm Width: 3.0cm Depth: 3.0cm
* Weight: 1.0Kg