http://www.techass.com/el/derngr/index.php
“Derringer is only 2.75″ X 2.13″ X .8” and weighs a mere 1.8 oz! This small size, curved shape and fly-weight allows it to comfortably fit in a pocket, purse or be worn around the neck almost unnoticed. Derringer incorporates our exclusive Pocket-Smart(tm) technology to allow access to its 13 multi-function modes of operation with reduced risk of accidental activation when in your pocket or purse.
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PDF manual: http://www.techass.com/el/docs/ML1man.pdf
