The BM02A-AC baby monitor has a 4.3-inch LCD (480x272) display, a WiFi range of 200-300 meters outdoors (30-50 meters indoors), and built-in speaker and microphone. It supports cry alerts, night vision up to 8 meters via 8 IR LEDs, and has a 50° viewing angle. Powered by a 2000mAh lithium polymer battery or 5V DC supply.