At only 2 and one-quarter inches by three-quarters of an inch, the thumb-size DVR is a portable and convenient way to record video (with audio). 

Features: 

• 8GB Memory, expandable to 8GB
• Records video continuously 
• Sound activated video recording
• 3 Clipping Bracets to record anywhere
• Only 2 and one-quarter inches by three-quarters of an inch
• Warranty: 90 days

Contents:

• Spy Thumbsize DVR with voice activation
• 8GB SD card
• Plastic Sheath 
• Charger
• Neck Lanyard
• USB Cable
• 3 Clipping Bracets
• Battery

It also will start to record whenever the decibel level is greater than 60 dB (normal conversation) in 2 minute cycles until the decibel level falls below 60 dB if set to voice activation mode. The DVRTS uses a standard 4GB micro SD card (which is included) and will support up to a 8 GB micro SD card (not included) to record 720 x 480 AVI video at 30 FPS.

It has several unique clip brackets that allow you to attach the camera practically anywhere: a magnetic bracket, a wall-mountable bracket and an alligator clip bracket. It comes with a built in lithium rechargeable battery that will record for up to 2 hours.