Sennheiser EW-D 835-S Y1-3, Digital Wireless System, With SKM-S handheld transmitter with mute switch and dynamic MMD 835 interchangeable capsule, Frequency range Y1-3: 1785.2 - 1799.8 MHz, Polar pattern: Cardioid, Dynamic range: 134 dB, Audio transmission range: 20 - 20,000 Hz, Transmitting power: 12 mW, 4-Digit battery indicator on receiver, Mobile access via Smart Assist App for system settings, Operating time with AA batteries: up to 8 hours, 2 BNC antenna connectors, Outputs: XLR, jack (balanced/unbalanced), Incl. microphone clamp MZQ 1, 2x antennas, power supply with country adapter, rackmount set and AA batteries