Fangrui Product Details 1. Debra Dv-02 Wireless Lavalier Microphone Tx & 2rx Outdoor Interview Live Broadcast 2. Uhf Wireless Microphone: Stable Uhf Signal With 30 Selectable Channels In The 520-580mhz Frequency Range, Enabling Interference-free Operation With An Operating Range Of Up To 50 Meters (165 Feet). 3. Real-time Audio Monitoring: Enhanced Headphone Monitoring Allows Real-time Audio Monitoring While Filming. 4. Directional Pickup Microphone: The Cardioid Polar Pattern Suppresses Unwanted Noise, Providing More Accurate Audio Pickup And Detailed Sound. 5. Easy-to-read Led Screen: The Receiver Features An Led Display That Displays Battery Status, Channel Number, And Other Information. 6. Compatible With Cameras Or Smartphones: The Receiver, Featuring A 3.5mm Jack And Two 3.5mm Cables, Works With Laptops, Pcs, Dslr Cameras, Amplifiers, Dv Cameras, Camcorders, Smartphones, Audio Mixers, And More. 7. Universal Battery: Both The Receiver And Transmitter Use Two 1.5v Aa Batteries, Providing A 4-5 Hour Operating Time. (batteries Not Included) 8. Package Included: 9. Receiver X 2 10. Transmitter X 1 11. Lavalier Microphone X 2 12. Camera Cable X 1 13. Mobile Phone Cable X 1 14. Accompaniment Cable X 1 15. Hot Shoe Clip X 1