Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
good metal host for flashlights and DIY lasers :) i specifically bought it for my red laser diode I made my own custom heat sink that fits perfectly in this host easy to disassemble and assemble it takes 1*18650 or 2*CR123A or similiar batteries the tailcap is good and sturdy it can take much abuse
the included heatsink is pretty thin for a good heat dissipation so this one is a goner ... build your own and you won't miss ;) no other cons :)
good little host ... which might turn into great many things :)
cheap and valuable item for all of us DIY guys and girls :):D
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