SOMA Ether V2, Wide-Band Receiver for Electromagnetic Radiation, Designed as an ""Anti-Radio"" for experimental applications, Ether receives a wide spectrum of surrounding interference signals, such as from radios, Wi-Fi networks, the electric fields of lamps, computer screens, hard drives, etc., via three integrated antennas., 2 External antennas for direct contact with metallic housings and objects, 3.5 mm Stereo headphone output with volume control, Adjustable sensitivity, High-quality plastic housing, Operating time: >100 hours with 2x AAA (micro) batteries, Dimensions (W x D x H): 103 x 58 x 17 mm, Weight: 73g