Specifications: Pixel: 3 Mega pixels Frame: 30fps Resolution: 736 x 480 pixels Recording format: AVI Built-in memory: 4GB USB: 2.0 Power supply: embedded 550mAh Li-polymer battery Recording time: 2.5-3 hours Power adapter: 5V DC/ 500mAh Power consumption: <0.8W Working temperature: -5 to 40 degrees Celsius Storage temperature: -20 to +80 degrees Celsius Features: Water resistance from rain or sweat Quality Polaroid lens from brand makers A perfect combination of sunglasses and a DV recorder User friendly operantion button for easy control Sleek and elegant design neets your taste for life Easy connection with PC / Laptops, no driver needed Built in 4GB memory for approx 3 hours video recording Max 3mega pixels pinhole CMOS camera for clear digital video recording Real recording time display function, never let memorable moments sneak away from life A must equipment highly recommended for journalists, traffic police, travelers, students and etc Packing: 1pc/gift box; 30pcs/ctn CTN size: 42.5 x 32 x 44.5cm NW: 12kg GW: 13kg