This quick spider don't need any web to catch a prey. The slim body indicates that its a male. Female of this spider has a chubbier body than the male and carries its nest around tucked under its abdomen. They are more active during the night hunting for insects and are good biological control for domestic roaches.
They're usually found in a cool, dark places inside houses in tropical countries.
Photos and video are just taken with a digital cam and a flashlight illumination.