White Noise Reverse Alarm

Epoxy Resin Metal 115dB 12 Voltage Reverse White Noise Backup Alarm White Noise Backup Alarm Appliction； Back-up alarm is a device intended to warn passers-by of a vehicle moving in reverse. They typically produce 1000 Hz pure tone beeps at 97-112 decibels. Matsusaburo Yamaguchi of Yamaguchi Electric Company, Japan, invented the back-up beeper. It was first manufactured as model BA1 in 1963. ISO 6165 describes "audible travel alarms", and ISO 9533 describes how to measure the

CE Black IP68 waterproof White Noise Backup Alarm White Noise Backup Alarm Feature: 1. Multi frequency broadband sound 2. Instantly locatable 3. Sound confined to danger area 4. Eliminates noise nuisance In some countries, such as the United Kingdom, back-up warning systems using blasts of white noise are becoming more common, and are obligatory for suppliers of some large construction projects. White noise does not have to be as loud as beeps in order to be able to be heard

12-48V Black Beep Sound White Noise For Car Reversing and Warning Used On Heavy Machine Wit CE Made In China 1. Specifications Sound pressure 87~107±4(A)AT 4FT Voltage 12~24VDC Maximum current 0.5A Temperature -40°C ~ 75°C Frequency 500Hz~7KHz±10% Work cycle 4second Weight 1100g 2. Description 1. BkX series is made for truck bus applications in High noise areas. 2. Intelligent models measure the ambient noise level and adjust their output level. 3. create a volume that is

Epoxy Resin Metal 115dB 12 Voltage Reverse White Noise Backup Alarm White Noise Backup Alarm Appliction； Back-up alarm is a device intended to warn passers-by of a vehicle moving in reverse. They typically produce 1000 Hz pure tone beeps at 97-112 decibels. Matsusaburo Yamaguchi of Yamaguchi Electric Company, Japan, invented the back-up beeper. It was first manufactured as model BA1 in 1963. ISO 6165 describes "audible travel alarms", and ISO 9533 describes how to measure the

Small 75dB Humanvoice Customise IP68 Waterproof Car Reverse Buzzer Remind Music Box Easy Install With 3M and Plug 1. Specifications Sound pressure 75±4(A)AT 4FT Voltage 12~28VDC Maximum current 0.5A Temperature -40°C ~ 75°C Frequency 500Hz~7KHz±10% Work cycle 4second Weight 110g 2. Description 1. BJX series is made for truck bus applications in low noise areas. 2. Intelligent models measure the ambient noise level and adjust their output level. 3. create a volume that is safe

12-48V Black Beep Sound White Noise For Car Reversing and Warning Used On Heavy Machine Wit CE Made In China 1. Specifications Sound pressure 87~107±4(A)AT 4FT Voltage 12~24VDC Maximum current 0.5A Temperature -40°C ~ 75°C Frequency 500Hz~7KHz±10% Work cycle 4second Weight 1100g 2. Description 1. BkX series is made for truck bus applications in High noise areas. 2. Intelligent models measure the ambient noise level and adjust their output level. 3. create a volume that is

YS-BJ mini alarm 75dB customise IP68 waterproof buzzer small Intelligence auto siren 1. Specifications Sound pressure 75±4(A)AT 4FT Voltage 12~28VDC Maximum current 0.5A Temperature -40°C ~ 75°C Frequency 500Hz~7KHz±10% Work cycle 4second Weight 110g 2. Description 1. BJX series is made for truck bus applications in low noise areas. 2. Intelligent models measure the ambient noise level and adjust their output level. 3. create a volume that is safe without being annoying or

10~48V 97dB customise human voice beep sound epoxy resin IP68 waterproof car buzzer reversing buzzer for vehicle with CE 1. Specifications Sound pressure 75±4(A)AT 4FT Voltage 12~28VDC Maximum current 0.5A Temperature -40°C ~ 75°C Frequency 500Hz~7KHz±10% Work cycle 4second Weight 110g 2. Description 1. BJX series is made for truck bus applications in low noise areas. 2. Intelligent models measure the ambient noise level and adjust their output level. 3. create a volume that

12V to 48V alarm reinforced nylon reverse alarm beep sound white noise squawker reverse alarm General specifications: Output level 112dB ± 4dB at 1.2M Voltage 12-48VDC Current drain less than 0.6A temperature range -40 to 85 degree C Frequency 1240Hz ± 10% Duty cycle 0.85 pulse per second 50% ON 50% OFF weight 690g ± 10% Dimensions 127*95*77mm Applications: For equipments and vehicles like,cars, trucks, construction machinery, with 12V and 48VDC system, made for heavy duty

102dB output multi frequency squawker reverse alarm EMARK white noise reverse alarm IP68 waterproof reversing alarm General specifications: Output level 107dB ± 4dB at 1.2M Voltage 12-48VDC Current drain less than 0.6A temperature range -40 to 85 degree C Frequency 1400Hz ± 10% Duty cycle 0.85 pulse per second 50% ON 50% OFF weight 320g ± 10% Dimensions 103*44.5*68 mm Applications: For equipments and vehicles like,cars, trucks, construction machinery, with 12V and 24V DC

Emark approved YS-B73W night mode waterproof white noise sound alarm double knock silent reverse alarm General specifications: Output level 90 -100dB at 1.2M Voltage 12-24VDC Current drain less than 0.6A temperature range -40 to 85 degree C Frequency multi frequency Duty cycle n/a weight 300g ± 10% Dimensions 127.5*79*82mm Applications: For cars, trucks, construction machinery, with 12V and 24VDC system, made for heavy duty applications in medium or high noise area. With

12 and 24 v dual voltage vehicle use beep sound real speech white noise reverse alarm General specifications: Output level 90 -100dB at 1.2M Voltage 12-24VDC Current drain max 0.6A temperature range -40 to 75 degree C Frequency multi frequency Duty cycle vary weight 300g ± 10% Dimensions 127.5*79*82mm Applications: For cars, trucks, construction machinery, with 12V and 24VDC system, made for heavy duty applications in medium or high noise area. With white noise sound, which

100dB Intelligent Alarm Construction Truck Forklift Heavy Vehicle This type is made for heavy duty applications in medium/high nose areas, intelligent models measure the ambient noise level and adjust their output level, create a volume that is safe without being annoying or contributing to noise pollution. General Specifications: Size 105*60.5*70mm Output Level 100±4dB(A) AT 4FT Voltage 12-24 VDC Max Current Drain ＜0.6A Temperature Range -40℃ - 75℃ Speech Frequency 500Hz

Small universal White Noise Reverse Alarm​ Customizable Sound Source 97dB This type is most popular and cost effective lines. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. Intelligent models measure the ambient noise level and adjust their output level, create a volume that is safe without being annoying or contributing to noise pollution. And vocal versions can be made

truck back up alarm reverse horn 107dB 10-48V safety Intelligent Alarm with CE/RoHS certification This type is made for customization, with beautiful appearance. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. You could decide what the voltage and output will be, or intelligent one that measures the ambient noise level and adjust their output level. General Specifications:

truck back up alarm reverse horn safety White Noise Reverse Alarm with CE/RoHS certification This type is made for customization, with beautiful appearance. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. You could decide what the voltage and output will be, or intelligent one that measures the ambient noise level and adjust their output level. General Specifications: Size 129

high performance DC10 to 48V safety White Noise Reverse Alarm with CE certificates This type is most popular and cost effective lines. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. Intelligent models measure the ambient noise level and adjust their output level, create a volume that is safe without being annoying or contributing to noise pollution. And vocal versions can be

10V-48V 102±3dB Waterproof Heavy-Duty White Noise Reverse Alarm with Super Loud Beeper Tone This type is most popular and cost effective lines. A glass-filled nylon housing with epoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration. Intelligent models measure the ambient noise level and adjust their output level, create a volume that is safe without being annoying or contributing to noise pollution. And vocal

10-24V, 100±3dB,Universal Car Truck Backup White Noise Reverse Alarm This type is made for light/medium duty applications in low/medium areas. It is designed to provide effective warning sound and good durability at a lower cost. And vocal versions can be made according to your requirements General Specifications: Size 46.3*60*69mm Output Level 100±3dB(A) AT 4FT Voltage 10-24 VDC Max Current Drain 0.5A Temperature Range -30℃ - 65℃ Frequency 2800Hz±10% Duty Cycle 0.85 pulse

White Noise Reverse Alarm for heavy car used, white noise for alarm sound,black,12-36V,107±4dB , 0.6A This type is made for heavy duty applicatiions in medium/high noise areas, Intelligent models measure the ambient noise level and adjust their output level,create a volume that is safe without being annoying or contributing to noise pollution. General Specifications: Size 127*70*73.5mm Output Level 107±4dB(A) AT 4FT Voltage 12-36 VDC Max Current Drain 0.6A Temperature Range