Wireless Vocal Set, Featuring SKM-825 XSW Handheld Transmitter with e825 Cardioid Dynamic Capsule, MZQ1 Mic Clip and EM XSW 1 Diversity Receiver (516 - 558 MHz). Excellent live sound featuring Sennheiser's renowned evolution microphone capsule. Antenna-switching diversity reception, Integrated antennas, Automatic frequency management and synchronization via remote channel for easy setup. Selectable UHF frequencies within a large bandwidth. Up to 10 compatible channel.Operating time approx 10 hours. Dimensions 200 x 42 x 127 mm. Weight 340 g. Package includes: Transmitter, Receiver, Microphone clamp, Power supply, 2x AA Batteries.