We have purchased several HD Web Cam and placed around the company buildings to record what is going on into our servers. This is completely home made system. Cameras are very good deterrent against crime. Since we placed the cameras and housings around the property, we have seen no problem, not even people smoking around the buildings.
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KUMA 
Junya Suzuki 
錦糸町の天使 
佐藤淳一（朝活習慣化キャリアコーチ） 
木曽町田中屋豆腐 
Seattle Execs. 
PSPCF 
さち 
内倉憲一 
ロッキーおしょう 
カワシマヒロキ（ひーさん）