The Kramp 3SB004438141 is a genuine Hella 12V 400Hz signal transmitter designed for use in various vehicles and machinery. This acoustic warning device features a sound pressure level of 105 dB(A) and a current consumption of 0.5 A. It is built with a durable plastic housing, has a black finish, and offers IP65 protection, making it suitable for demanding environments. The signal transmitter connects via a flat plug and operates within a temperature range of -30 to +80 °C. It produces a clear, loud tone to alert personnel to hazards or specific operating conditions.