Convienent pocket size hidden camera with a 1200mAh rechargable battery provides over three hours of HD video with a 8GB sd card.
The Invisible Field motion detector option provides up to twelve days of mission standby and with its 16GB SD memory can hold six hours of high definition 720p video.
Just switch on, point in the direction of interest and wait.
Plenty of space for your gum/mints - very convincing product.
Motion Detector option