The Pigtronix Gloamer is an optical compressor and volume swell pedal designed for electric guitar and bass. It features a unique envelope-controlled volume swell function for creating violin-like and ambient textures. The pedal includes controls for Bloom, Sensitivity, and Volume. It offers adjustable compression and dynamic response. Gloamer is housed in a compact enclosure suitable for pedalboards. It operates on standard 9V DC power.