Dual Channel Reception: Features dual channel and dual antenna for reliable signal reception. High-Fidelity Sound: Intelligent vocal optimization, high-fidelity sound quality, and effective howling elimination clear audio delivery. Adjustable UHF Band: Frequency range of UHF 635-695MHz, adjustable to avoid interference in complex frequency environments. Construction: Full metal handheld microphones are drop- and scratch-, enhancing . Clear LCD Displays: Both the receiver and transmitter have LCD displays for easy monitoring of working status. Wide Application: Ideal for conferences, speeches, karaoke, and more. Frequency Range: UHF 635-695MHz Modulation: Wideband FM Effective Distance: 50MHz Channels: 2*100 Channel Spacing: 300KHz Frequency Stability: 0.005% Dynamic Range: 100dB Max Frequency Deviation: 45KHz Audio Response: 80Hz-18KHz (3dB) Signal-to-Noise Ratio: 105dB Distortion: 0.5% Operating Temperature: -10 to 50 Receiver: Mode: Secondary frequency conversion superheterodyne IF Frequencies: 110MHz and 10.7MHz Wireless Interface: BNC/50 Sensitivity: 12dBV (80dBS) Max Output Level: +10dBV Transmitter: Antenna Type: 1/4 wavelength whip and built-in helical Output Power: High 30Mw, Low 3Mw Spurious Suppression: -60dB Battery Life: Over 5 hours at 30mW, over 8 hours at 3mW Colour:black Material:Metal Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. voltage: AC100-240V Package Contents: 1 * Receiver 2 * Microphones Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.