First, be sure the battery fully charged, press the red/blue light on/off, and then press and hold the mode. Just wait for the red light to appear. Upgraded intelligent motion detection sensor with the sensitivity manually settable. Once a motion is detected, the camera will send Push Notification with images to your phone. You can log into the App to check it in real time and never worry about missing something important. Small Indoor and Outdoor Video Recorder with Mobile Monitoring