Package includes: 1 x Transmitter (Sennheiser SK AVX) + 1 extra battery + lavalier microphone The SK AVX is the bodypack transmitter for the AVX system. It features self configuring digital transmission which eliminates time-consuming radio frequency setup. The AVX matches perfectly to your camera's input sensitivity without having to adjust the audio level on the microphone. https://en-uk.sennheiser.com/camera-bodypack-transmitter-wireless-microphone-system-sk-avx - 1 x Receiver (Sennheiser EKP AVX) + XLR to minijack adaptor + 1 extra battery The EKP AVX is the ultra compact receiver for the AVX wireless microphone system. It plugs directly into the XLR audio input of your camera or recording device. The EKP can also be connected to DSLRs with the included minijack adaptor. https://en-uk.sennheiser.com/camera-receiver-extern-wireless-microphone-system-ekp-avx - 1 x Recorder (Zoom H5) + Wind Screen Ideal for documentaries, podcasting, audio for video, and professional sound design, the Zoom H5 portable handheld recorder lets you quickly record up to four input signals regardless of your audio experience. https://zoomcorp.com/en/gb/handheld-recorders/handheld-recorders/h5/