Explorer EXM 220T Wireless Microphone

Technical Features Frequency region: VHF 231.7-26.1MHz Frequency response: 100Hz-15KHz Dynamic range: Over 70db Audio output: 0-280mV Microphone power supply: 2*1.5V AA Battery Modulation Mode: FM Effective range: 50M Power supply: AC 220-240V Key Features RF power transmission IR matching windows Transmission antenna Microphone input LCD Power switch Volume button Battery compartment