Sennheiser EW-D SKM-S Y1-3, Digital Handheld Transmitter for ew-D Radio Links, Frequency range Y1-3: 1785.2 - 1799.8 MHz, With on/off switch, Operation with 2x 1.5 volt AA batteries or optional BA70 rechargeable battery (not included), Transmitting power: 12 mW, Dimensions: 40 x 200 mm (without microphone capsule), Weight: approx. 195 g (without microphone capsule)@+@+*Note:* Microphone capsule not included