Brand: Bada (known for professional quality wireless AV transmission) - Model: BD2-4G804-(2W) - 2 watt / 2000mW ultra high transmission power - 2.4GHz wireless frequency - 4 selectable channels via easy DIP switch - Ultra high clarity - Transmits both video and audio - Hi-gain antenna - Transmits up to 300 meters (manufacturer rated) - Supports multiple transmitter (up to 4) single receiver configuration -- receiver automatically switchs channel every 6 seconds - High powered transmission interference resistant - Transmitter and receiver size: 10.4cm*6.0cm*3.0cm - 2 x 100V~240V AC adapters included - English and Chinese user's guide included