MARUKO Super Low Horn (Maruko Alarm) 12VS-LOW BGD-6

Japan resin Instruction manual with warranty (1 year warranty) [Size]: 75mmφ x 68mm / [Specifications]: Constant voltage: 12V, current consumption: 4A x 2, sound pressure level: 113dB, frequency: Hi: 400Hz Lo: 330Hz The inside is precisely adjusted, so be careful not to turn the screws and nuts.