Dimension: 3.5 x 1.5 x 0.75 in, 2 oz. (41 x 93 x 17 mm, 50 g)
One button operation .
EL Backlight .
Completely sealed; internal sensors
Weatherproof (can be submerged 6 feet).
Replaceable Lithium battery (included and installed)
Stainless steel back
Auto-off after one minute (can be disabled to remain on).
One year warranty
Designed in Switzerland