Real smoke detector covert hidden spy camera This covert and mini cameras are equipped with MTV-3.7mm pinhole lens and built-in microphone. For this hidden camera we have sold at the most competitive price and offer the best after-sale service. Reliable security camera system with free technical support and two years warranty. Features: 2.0mp 1080p Smoke detects camera with alarm 2.0mp/3.0mp MTV-3.7mm pinhole lens Alarm with beep voice Built-in microphone Includes: 1x covert & mini camera 1x user's manual 1x installing accessories