Xiaomi YI Smart Camera Wireless Wi-Fi HD Infrared Night Vision for Smart Home Security Webcam, 7.2 Megapixels Infrared night vision MI smart camera 8 built-in 940 nm infrared light, best shooting range to 5 m, it's different from tradition infrared lamp, there is nothing light pollution in night 111 degree wide-angle and 4 zoom zoom lens, boasts 7.2 megapixels and micro SD(TF) support Real-time supports two-way voice calls function(Android2.3+ / iOS7+ ) and you can always know the situation at home The new upgraded motion detection technology only when the object movement records, save storage space and concurrent notification to your phone