SPECIFICTIONS ✅FFrequency: 2.4GHz FHSS ✅Type of Modulation: GFSK ✅Data Rate: 4 Mbps ✅Channel bandwidth: 3.3758 MHz ✅Transmission Range: Up to 960 feet/300 meters (Open space-No obstructions) ✅Power Adapter (Monitor): Input:100-240VAC 50/60Hz ; Output: 5V, 1.0A ✅Power Adapter (Camera): Input: 100-240VAC 50/60Hz ; Output: 5V, 1.0A ✅LCD Screen: 5 TFT LCD (1280*720 pixels) ✅Rechargeable battery ( pre-installed in parent unit): Model:755060P 3.7V,3000mAh. ✅Transmission Power: 18dB ✅Image Sensor Type: 1/2.9 Inch CMOS ✅IR LED Type: 940nm ✅Operation Enviroment: Indoor use only; Temperature: 32-104°F/0-40°C; ✅Humidity: 5%-90%rh (relative humidity)