General Feature: Quality Polaroid Lens from brand makers. Easy connection with PC/Laptops, no driver needed. 4G TF card for EVR300 for approx 3-5 hrs video recording. 3.0 mega pixels CMOS camera for clear digital video recording. Real time recording, never let memorable moments sneak away from life. A must equipment and highly recommended device for journalist, traffic police, travelers and etc. Other Feature: Card Slot: TF/Micro SD card Storage Computer: -20 C - 80 C Working Temperature: 0 C- 60 C Camera hardware resolution: 3.0 mega pixels. Operating System: Win98, WinMe, WinXP, Win2000, Windows Vista Battery & Power Supply: Power duration: 3-5 hours Power Adaptor: 5V DC/500 mAh Physical weight 39g with battery Power Supplybuilt-in 550mAh lithium battery Display Spec: Video Format: AVI Resolution 640 * 480 Playing Speed: 35fps Accessories: USB cable, User manual Cetification: FCC, CE, RoHS One year warranty free parts and labor