Please note, this item ships from an international seller. Expected delivery is 10-15 days. COMICA CVM-WM100H UHF wireless microphone system is a professional audio recorder for cameras & camcorders. It features 48 independent channels, up to 100m working distance, real time monitor, LCD display, adjustable RF strength, low-cut filter, 16 adjustable , mute mode, recording crystal clear sound while bringing you the best recording experience. Features: 48-channels for multiple devices work together without interfering each other. Working distance up to 100m/328ft in open space without any staccato. (60m/197ft in barrier area) 16 adjustment can meet different demands of the level. Support muting mode. Switch on the low-cut function, then you can effectively reduce the low frequency part of the audio and enjoy a fantastic recording effect. Local audio test in & receiver end, you can check the dynamic display bar to judge whether the mic is working properly. Lattice LCD display, high resolution. Real-time audio status monitor in receiver end, so you can monitor the audio effect during recording. Adjust RF signal strength in end, in short pickup distance, set the low-power mode to reduce power consumption and prolong battery endurance, in long pickup distance, set the high-power mode to improve audio quality. The microphone can be used on cameras and camcorders with 3.5mm / XLR audio input. It also works with smartphone, but you need to buy a TRS-TRRS cable separately. Specifications: Brand: COMICA Model: CVM-WM100H Wireless Frequency: 520.000MHz-534.100MHz Package Size: 28.6 * 22 * 8cm / 11.2 * 8.7 * 3.1inch Package Weight: 1093g / 2.4Lbs -Handheld HTX S/N: ＞65dB Antenna: PCB Antenna Stray Radiation: ＜-60dBc Sound Delay: ＜20ms Audio Distortion: ＜0.5% Transmitting Power: 15dBm Battery: 2pcs AA Battery (Not included.) Dimension: 53.5 * 253mm / 2.1 * 10inch (D * L) Item Weight: 343g / 12.1oz -Receiver RX S/N: ＞65dB Antenna: 1/4 Wavelength Antenna Receiving Sensitivity: -95dBm Sound Delay: ＜20ms Audio Distortion: ＜0.5% Frequency : 20Hz-18KHz Audio Output: 3.5mm Port Battery: 2pcs AA Battery (Not included.) Item Size: 111.5 * 65 * 25.3mm / 4.4 * 2.6 * 1inch Item Weight: 81g / 2.9oz Package List: 1 * 1 * Receiver 1 * 3.5mm-3.5mm Output Cable 1 * 3.5mm-XLR Output Cable 1 * Hot Shoe Adapter 1 * Belt Clip 1 * Carry Bag 1 * User Manual(English/Chinese) Note: Battery and camera are not included.