Insert SD Memory CardInsert the memory card with the golden contacts side of the card facing the front of the camera. About the Micro SD card1. Please use a Micro SD card with a capacity of at least 16GB, Class 10 (maximum 64GB). 2. Format your Micro SD card before first use by selecting “format SD card ” in the system settings of your GoSure device.3. The relationship between card capacity and recording time is given below. Quick Start2Micro SD cardCapacity16GB1080P/30fps160 minutes320 minutes640 minutes260 minutes520 minutes1040 minutes720P/30fps32GB64GB2