your HD DVR Setup. Seamlessly triple your storage capacity in less then 5 minutes! Atomik DVR Expander Drive adds up to 1TB (1000 GB) of Additional storage capacity to your Comcast Scientific Atlanta Explorer and Cisco, eSATA enabled HD digital video recorder (HD-DVR) so you can enjoy more HDTV and movies! Adds over 140 hours of HD or 1200 hours of standard-definition recording space. Super easy to use, this compact, sleek drive features a aluminum chassis, available in a variety of colors that quietly complements your home theater experience. Check with your local cable service provider to confirm service compatibility. Currently Tested And Compatible With: * Scientific Atlanta Explorer 8300HDC * Cisco RNDG200  (less)

· you can also use it as USB memory pen. · Works as a 2GB USB drive (no driver is needed) · Dimensions: 7.2cm x 2cm x 1cm (L x W x Diameter) . · Support USB 2.0 and 1.0 · Real time recording in AVI video format ,AVI video format,640*480 . · Built-in 2GB for as long as 3 hours video recording. · USB Plug & Play Compatible · Built-in rechargeable Battery type : Lithium-ion · Adaptor type: USB adaptor charging cable · Voice recorder ,Color video with voice lets you clearly see who is there and hear what they say · With extended memory slot for TF/MicroSD Card, Max.4GB · Battery use time about 110-140mins · Easy connection with PC/Laptops, no driver needed 1 year warrnty  (less)