Heavy Duty 112db Tonal Reversing Alarm 12-24v IP68 waterproof

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112dB heavy duty commercial vehicle tonal reversing warning alarm lifetime warranty 
Model No.: TOP-890BA-112 
• Tonal Backup Alarm - Heavy duty
• Ideal for dump trucks, bulldozers, loading shovels and all heavy earthmoving machinery
• Sound type: Bi.. bi...
• Rated voltage: 12-24 volts (Working Voltage Range 9~32V)
• Rated current: Max 0.5 Amps
• Sound pressure: 112±4dB
• Frequency: 1.9KHz±0.2KHz
• Intermittence: 80±5 cycles per minute
• Sound unit: Dome speaker 
• Sealed in epoxy for protection against dust, moisture and vibration
• Size (WxHxD): 156 x 85 x 108 mm, Hole centre: 111-114mm
• Operating temperature: -40°C to +85°C
• Mechanical vibration: 10G
• Water resistance: IP68
• Lifetime warranty