The Best Mini Cam in 2023: Whether you're looking to build your own WiFi streaming hidden camera, or just want a miniature wireless camera that can go anywhere, this 4k spy camera is the perfect device for the job. It helps you keep an eye on your babysitter or nanny, and monitor employee productivity or prevent or investigate theft, etc..Long-lasting Battery Life: The hidden wifi nanny cam has an internal 3000mAh rechargeable battery and three working modes for more possibilities. Battery life reference: Continuous working mode (10 hours); Sleep mode (7-15 days); Deep sleep mode (15-30 days); Or standby up to 100 days in remote shutdown state (can be activated through the app)..Smart AI Motion/Human Detection: The mini spy camera comes with the latest in Smart AI capabilities which are able to distinguish persons accurately. You can turn on motion detection along with human shape detection, so you will only receive alerts of human activity and false alerts will be filtered out..Crystal Clear 4K Live Video: VIONMIO hidden spy camera features a 4K Ultra HD camera lens with 160 degrees viewing angle, making it one of the highest quality mini cameras on the market. This allows you to be able to clearly make out people and faces, giving you the best covert surveillance available..Automatic Night Vision & Free Cloud Storage: The mini security camera features built-in "no glow" IR night vision sensors which automatically turn on in low light and no light situations, so you can monitor your camera feed 24 hours a day. Plus, VIONMIO also provides free cloud storage with a permanent 3-day cycle, which means you can play back the last 3 days of videos without a memory card and no subscription required.