Polsen ULW-16-16-Channel Camera-Mountable UHF Wireless System with PL-4 Lavalier Microphone Ideal for ENG/EFP, DSLR Video | Broadcast-Quality Sound | 16 UHF Channels Monitoring via Receiver Headphone Output | Line and Mic Inputs, Line Output | Operates in " Future Proof" 500 MHz Band 8 Hours Continuous Operation | Included XLR Line Output Cable | Included Camera Level Attenuation Cable Includes 0.20" Omni Lavalier Microphone What's In The Box: PL-4 Omnidirectional Lavalier Microphone, Transmitter (Batteries Not Included), Receiver (Batteries Not Included), Tie Clip, Windscreen, Line to Mic Attenuator Cable, Line-Level Output Cable, Carrying Case, Limited 1-Year Warranty