HEAR the HIDDEN WORLD The Bionic Ear and Booster? is the Original Sound Amplifier. With this device, you can magnify faint or distant sounds with a clarity you never thought possible. Detect animal movements for nature observation or photography or direct microphone toward a distant conversation for surveillance or personal safety. Record bird calls and other sounds with the recorder output jack located on the microphone. The Bionic Ear and Booster? is the only pinpointed amplifier of its size available to the consumer market. "Hear a faint cry for help" or "Record a conversation 100 yards away." Use the Bionic Ear? to focus on sounds 100 yards away in the direction it is pointed. Record surrounding sounds using the output jack to analyze for clues later. To protect your hearing, sounds will momentarily shutoff at 95 decibels. Further pinpoint sounds and reduce background noise with the Bionic Booster?. The 12" diameter parabolic dish (Booster) is included with the Bionic Ear?. The Bionic Ear? amplifies sound by 40 decibels using one 9-volt battery that lasts 40 hours. The headphones weigh 7.2 ounces and the handheld microphone weighs 6.2 ounces. The Booster weighs 14.4 ounces. You will appreciate the amplification of the Bionic Ear and Booster? for surveillance, law enforcement, personal security, search & rescue, hunting, hard-of-hearing, wildlife observation, outdoor adventures, camping, birdwatching, and much more. Features FOCUS on sounds in the direction you point the microphone. AUTOMATIC SHUT-OFF circuit shuts off sounds over 95 decibels so loud sounds are not amplified. INDEPENDENT VOLUME CONTROLS allows you to select best amplification for each ear so you can adjust for individual hearing differences. OUTPUT JACK to record what you hear. OPERATES on one 9 volt battery for 40 hours of continuous use. WRIST STRAPS ACCESSORY