The Adrenaline Systems Micro DVR 225™ + Varifocal Extreme I Helmet Camera is a great combination: Light and easy recording capability with the advantage of a Varifocal camera which can change breadth of view. Connections are easy and camera adjustments a breeze! The Micro DVR 225™ is one of the easiest portable Extreme Sports / Tactical digital recorders to use; Just connect Camera to the included interface cable, insert an SD card and press "record". High quality video will then be immediately available for viewing on the super clear screen or ready for migration to video editing software via the SD card -- Web uploads and sharing of action video is a breeze! When you need a small footprint recording unit, the Adrenaline Systems DVR 225™ will perform brilliantly.  Light, durable and dependable, the DVR 225 can be used in a variety of applications including: Auto sports, Helmet Cameras, Tactical / Military applications, motorcycle racing, bicycle sports etc. As the Varifocal Camera enjoys a larger power draw, it must be powered independently using an included Extreme Power Pack. This offers an extra advantage: As the camera is not powered by the DVR, recording time is greatly increased for extended outings!   DVR 225™ Micro Technology - Extreme Digital Video Recorder -   Small footprint: Light weight and easy to store and carry. Fits into the palm of your hand and weighs only a few ounces; The smallest Extreme Sports/Tactical DVR available. Record and replay at 640x480 at 30 fps - great resolution for vivid, full color playback. Fast video recording by one key function. No fumbling; on the fly, one key direct recording and playback. 2.0 (720x240) High definition display TFT. Reduced profile screen provides excellent definition playback. LI-Ion battery  5 hours of continuous playback, video recording up to 3 hours standby. Provides smooth power delivery with no overheating Li-Ion battery charger - Wall DC outlet unit included safe battery charging. Recording directly to SD card. Video files are directly stored in and easy to insert SD card up to 4gb storage capacity Recorded file format is AVI for easy migration to most video editing software or video sharing online. Ergonomic buttons for easy control of recording and functions. AV Out socket allows for monitor / TV  direct hook up. It makes direct connections possible to existing monitors easy. USB connectivity for computer file interface Varifocal Extreme I Camera     The Adrenaline Systems 580 Sony ExView HAD Varifocal Extreme I Cam™ is a top of the line product designed for high end applications. As the field of view can be varied, from a wide to a narrow angle, scenes of interest can be brought into focus. From tactical gun emplacement to car compartment action, the Adrenaline Systems Varifocal cam is the right solution every time.   Easy to change the angle of view on the fly, you can focus on events and features which will bring to life your video production: a bulls eye down field, an obstacle on the road ahead, a competitor close by, or details of your vehicle and gear. The possibilities are endless for the amateur and professional alike. When you need to provide both deep and narrow views of the action without having to physically change lenses, this is the best solution for professional results. Made to endure the rigors of Tactical and Extreme Sports use, the Adrenaline Systems Varifocal Extreme I Cam™ is the last camera you will need. It has all the features necessary to shine under the most difficult conditions. From waterproof capability to image stabilization chip on board, this camera will provide long service with top quality imagery. Each adrenaline systems Camera comes with the top of the line Sony chips to power high quality image production (Read More on CCD) . Onboard image stabilization provides for great rendering during Extreme use found in sports and tactical applications. Made specifically for the rigors of harsh use, Adrenaline Systems Cameras have become the standard of video professionals worldwide. Used by more professional production teams than any other Extreme Camera Solution The Adrenaline Systems 580 Sony ExView HAD Varifocal Extreme I Cam™ will satisfy the needs of both amateurs and professionals alike.     Specifications - DVR Digital Screen 2.0” TFT LCD Color System PAL/NTSC (Auto) Resolution 640 X 240 Recording Format AVI Recording Resolution 640 X 480 320 X 240 160 X 120 Frame Rate 30fps Built-in Flash Memory 〈 45MB Induction time 0.5sec USB jack High-speed USB2.0 DC Input DC 5V 1A Battery pock capacity 3.7V 720mAh SD card Mini SD  32MB~4GB (not included) Power output of Camera DC 5V 300mAh AV Input jack 3 rings with ǿ2.5 AV Output jack 3 rings with ǿ2.5 Language English  MINI SD memory card capacity per 1GB SD Card Resolution Video(No Audio) Video + Audio 640 x 480 Approx. 68 min Approx. 55 min 320 x 240 Approx. 212 min Approx. 200 min 160 x 120 Approx. 690 min Approx. 666 min  Packing Size(mm) 67x55x15mm Size(mm) 185x170x60mm Size(mm) 355x350x395mm Qty(pcs) 20 N.W(kg) 0.09 N.W(kg) 0.37 N.W(kg) 7.4 G.W(kg) 8.1