Smoke Detector HD Hidden Spy Camera with Built in DVR. Every home and business has a smoke detector. That's why no one will ever suspect that your smoke detector is actually recording covert video footage. The HD smoke detector hidden camera records in crystal clear 1920x1080 resolution at 30fps on a 16GB micro SD card which will hold up to 2.5 hours of video. It is perfect for monitoring your home or business when you're not around to keep an eye on your kids, or watching your property. It doesn't work as a smoke detector but does its job as a covert camera. The smoke detector records in full light or low light situations with built in IR's that allow you to see 20 feet at night. It has a motion-activation setting, so even when you're not around, the camera will start recording the moment motion is detected for 24/7 protection. Features: 1920x1080 video resolution at 30fps, 4032x3024 photo resolution, night vision distance 20 feet, motion detection, 8 hour battery life, charging time 4 hours, 16GB memory, works with Windows and Mac OS, dimensions 3 7/8" x 1 3/4". Includes: HD smoke detector camera, remote control, USB cable, user manual.