on APP. It can also be used for shops, meeting rooms, pets, nanny, elder. (Please insert the SD card before using the alarm function)DETAILS. 1. Support up to class 10 128GB TF card ( not included); 2. Built in 350mah Battery: ensures the hidden camera continous record ,day time video up to 1 hours when this mini hidden camera fully charged.Or much longer time if you attach an external power pack.; 3. Package:1xMini Spy Camera 1x Instruction; 1x Bracket; 1x Iron Sheets; 1x Card