Audio2000s Wp-604b/h Dual Channel Handheld Wireless Microphone Portable Pa System Frequency Band: VHF Dual Channel Wireless Microphone with 2 Handheld Power Output: 25W Operating Range: up to 50 feet (within line of sight) Suitable use for: School Teacher, Church, Hotel Conference Room, Aerobics Instructor, Sport Coach, Auction, Street Musician and Any Small Meeting Room