DareTang Dual Operation Key 1080P Hd Camera Glasses Support Tf Card 32gb Maxblack (cool) This product is the first Dual Operation key high-definition digital camera with glasses, this product is simple, compact, beautiful and practical, easy to carry, is security, education, family life in the fields of essential utilities, favored by the users. Brilliant and rich natural colors, high quality video images. Fashion and cool design keeps up closely with vogue steps. If low battery, the two lights shinning interchange 3 seconds, it will save the files and shuts down.