Bluetooth Pairing: This camera supports connecting to 2.4GHz WIFI via Bluetooth on your phone. Turn on the Bluetooth function on your phone, open the O-KAM APP and it will automatically find the camera and pair with it, making pairing as easy as a breeze, This Wi-Fi camera has a wide 110° viewing angle and a 50-foot range, and it delivers crystal-clear 2K resolution video that captures every detail of your home or business. You can see everything that matters. 100% Wire-free & Long-Lasting Battery: No wires, no hassle. This security camera has a built-in 5000mAh battery that can last for 2-3 months indoors or outdoors. Its easy to install without any drilling or cabling. Say goodbye to the TIME-CONSUMING troubles of traditional wired cameras.