Universal Compatibility Compatible with Apple, Huawei HarmonyOS, and Android devices, offering a versatile 3-in-1 solution for smart home control. User-Friendly App Utilize the Ocrustar app to easily select and pair with various home appliances for seamless control. Powerful IR Transmission With a 940nm infrared wavelength and 90mw/sr emission intensity at 0.5m, it ensures reliable control from 8-15 meters away. Wide Coverage 30° emission angle provides broad coverage for controlling multiple devices in a room. Durable Construction Aluminum shell combined with ABS plastic offers a sturdy and long-lasting design. Specifications: Material: Aluminum shell + ABS App: Ocrustar Remote control infrared emission wavelength: 940nm Emission angle: 30° Emission intensity (0.5m): 90mw/sr Actual distance: 8-15m (depending on the receiving capacity of different home appliances)