Camera working voltage is 5V1A. Continuous power supply is necessary to operate the product ,not working on battery power .The maximum storage memory is 64GB. Differences between AP mode and WI-FI mode: when at home, AP mode is adopted to conduct supervision anytime and anywhere ;When not at home, switch to WI-FI mode, even if not at home, but also remote viewing. Features: 1.Support All Smart Phone, wherever you can watch 2.Infrared low light vision, 5-10 meters visible at night 3.1080P HD, the resolution is 1.3 Megapixel image, the video and picture is more clear and smooth 4.Two way audio, you can talk each other 5.Better Day Night Vision, it will switch from day to night automatically. Features of the Mini Camera: Compact size & Portable to carry, charged by power bank. IR Night Vision, record clearly in the night with low light. Comes with AP hotspot, you can connect the camera with your phone WIFI. Wi-Fi Remote monitoring. . Resolution: HD 1080P APP: HD WIFI CAM Pro Storage: Support TF card up to 64GB (Not Include), CCTV MINI Camera Details: Camera resolution:1080P. Angle:90 frame rate: 25FPS Video compression bit-stream: HD (1080P) SD(VGA) Audio compression: AOPCM Audio compression bit-stream: Adaptive Wireless network protocol: Wi-Fi (IEEE802.11b) Storage function: Micro SD Card(Max 64GB, not included) Battery: No battery Power consumption :3W(MAX) Rated power: DC 5V 1.5A