IMPORTANT Tips: Please fully charge the camera for 2 hours before use; Please follow the manual to set Wi-Fi Config in the APP Device Setting for remote viewing, or the camera will be offline and disconnect when you are away from it(IMPORTANT); Keep the camera away from water and high temperature while using it outdoor; Keep it charged while it is recording for 7/24 working. Built-in small capacity 300mAh rechargeable lithium-ion battery, MSDS and UN38.3 certified.