Active Electronic Multipurpose Loudspeaker Compact for Auto Bus Parts

Active Electronic Multipurpose Loudspeaker Compact for Auto Bus Parts. Active electronic beep alarm continuous sound.Active electronic is made of pp material, whick is durable and wear resistant.Easy to install.Install the audio warning alarm in the position of the .The features low voltage, low power consumption and high voice pressure.Suitable for Alarms, Portable equipment, Auto mobile products, etc.Active Electronic Solar Energy. Loud Speaker Reversing Speaker Beeper. Multifunction Beep Alarm Continuous Sound. Backup Speaker Auto Truck Air . Reversing Alarm Back Up Beep .