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61. 97dB or 107dB Manual Adjustable Backup Alarm 
[Jul 10, 2023]
[Jul 10, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B41 12~48 97/107 manually adjust the output level(2 gears optional) YS-B42 12~48 97 beep sound YS-B43 12~48 107 beep ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
62. 12-36V 112dB Reverse Alarm for Trucks Mine Machinery [Jul 10, 2023]
[Jul 10, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B01C 12~36 107 continuous sound YS-B02 12~36 107 beep sound YS-B04A 12~36 112 beep sound YS-B04-5 12~48 115 siren ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
63. 112dB Beep Sound, Speaking Alarm, White Noise Vehicle Alarm [Jul 10, 2023]
[Jul 10, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B01C 12~36 107 continuous sound YS-B02 12~36 107 beep sound YS-B04A 12~36 112 beep sound YS-B04-5 12~48 115 siren ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
64. Truck Back up Alarm Reverse Horn Safety Reversing Alarms with CE [Jul 10, 2023]
[Jul 10, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B41 12~48 97/107 manually adjust the output level(2 gears optional) YS-B42 12~48 97 beep sound YS-B43 12~48 107 beep ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
65. Reverse Alarm with Super Loud Beeper Tone and AMP Connector for Trucks Mine Machinery [Dec 19, 2024]
[Dec 19, 2024] Model Voltage(VDC) Output Level (±4dBA @4FT) Remarks YS-B61 12~48 107 white noise (12-24V) optional YS-B62 12~48 112 beep sound YS-B62H 16~32 115 beep sound YS-B63 12~48 102 white noise ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
66. 107dB High Performance Safety Reversing Alarm Buzzer Back up Alarm with CE Certificates [Jul 11, 2023]
[Jul 11, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B31 12~48 97 white noise optional YS-B32 12~48 102 white noise (12~24V) optional YS-B33 12~48 voice alarm multiple voice options, ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
67. Smart Wireless Bike Anti-Theft Alarm with Adjustable Sensitivity Levels [Jul 31, 2025]
[Jul 31, 2025] Key attributes Place of Origin Guangdong, China Brand Name HONEYGUARD Model Number HSA029 Volume ≥113 (dB) Working voltage 4.5 (V) Working current ≤150 (mA) Color Black Product name Bicycle ...
68. Reliable Wireless Anti-Theft Alarm for Bicycles with Remote Activation [Jul 31, 2025]
[Jul 31, 2025] Key attributes Place of Origin Guangdong, China Brand Name HONEYGUARD Model Number HSA029 Volume ≥113 (dB) Working voltage 4.5 (V) Working current ≤150 (mA) Color Black Product name Bicycle ...
69. Anti-Theft Bicycle Alarm with Remote Control and Sensitivity Levels [Jul 31, 2025]
[Jul 31, 2025] Key attributes Place of Origin Guangdong, China Brand Name HONEYGUARD Model Number HSA029 Volume ≥113 (dB) Working voltage 4.5 (V) Working current ≤150 (mA) Color Black Product name Bicycle ...
70. Top Sale High Quality Waterproof Auto Reverse Horn Back up Alarm High Decibel Buzzer Alarm [Apr 21, 2023]
[Apr 21, 2023] Product Description: Support design and produce speakers according to customer's demand . Output Level 97 ± 3dB(A) AT 4FT Voltage 12-24 VDC Max Current Drain <0.6 A Temperature Range -40ºC - ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
71. 12V Self Adjusting Commercial Use Backup Alarm [Jun 12, 2024]
[Jun 12, 2024] Product Description Warning alarms are installed on vehicles and equipment to alert pedestrians, workers, and other nearby personnel to the vehicle's operation. They are often used in public transportation, ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
72. 12-24V 102dB White Noise Reversing Alarm for Trucks [Jul 11, 2023]
[Jul 11, 2023] Model Voltage (VDC) Output level(±4dBA @4FT) Remarks YS-B31 12~48 97 white noise optional YS-B32 12~48 102 white noise (12~24V) optional YS-B33 12~48 voice alarm multiple voice options, ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
73. IP68 Protection 107dB Revere Buzzer Alarm for Trucks [Aug 09, 2022]
[Aug 09, 2022] Suitable for: commercial vehicles IP68 protection 107dB revere buzzer alarm for trucks reinforced nylon housing eliminates corrosion damage wire/connector/bolt mounting optional, easy to install voltage polarity ...
Company: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
74. Supporting Structure Hand-Cranked Alarm Industry Fire Alarm Lk-120 [Jun 26, 2025]
[Jun 26, 2025] Product Introduction 1.Aluminum alloy casing, resistant to corrosion. 2.The sound level exceeds 120 decibels. 3.The volume of the sound depends on the speed of the hand movement. 4.Suitable for emergency alarm in ...
Company: Taicang Xinxing Machinery Factory
75. Portable Hand-Cranked Alarm: Perfect for Outdoor Adventures and Camping [Jun 25, 2025]
[Jun 25, 2025] Product Introduction 1.Aluminum alloy casing, resistant to corrosion. 2.The sound level exceeds 110 decibels. 3.The volume of the sound depends on the speed of the hand movement. 4.Suitable for emergency alarm in ...
Company: Taicang Xinxing Machinery Factory
