54 degree all glass lens.Compact size, easy to carry.Can be mounted on helmet, bike, arm and other objects.Hand-free, suitable for outdoor sports like riding, skiing, climbing, boating, etc.Specifications:Color: Black & yellowLens: All glass lensSensor resolution: 1.3Mega pixels CMOSVideo resolution: 720P(1280*720)/VGA: 640*480Frame frequency: 30 FPSVideo format: AVIWaterproof performance: 3~5mPow