ECCO 820N Switchable Volume Back-Up Alarm 87 or 107dB 12-36VDC Steel Housing

The ECCO 820N is a heavy-duty switchable volume back-up alarm designed for trucks, work vehicles, and commercial fleet applications. Operating on a wide voltage range of 12–36V DC, this alarm delivers selectable output levels of 87 dB or 107 dB, giving operators the flexibility to meet varying job site noise requirements with a simple switch setting.

Built with a steel housing and reverse-mounted speaker, the 820N is engineered to withstand the harshest working environments. Electronics are fully encapsulated in epoxy, providing robust protection against dust, moisture, and vibration — extending the service life of the unit even under constant heavy-duty use.

Key Features:

• Switchable output: 87 dB or 107 dB to suit different noise environments
• Wide operating voltage: 12–36V DC for compatibility across a broad range of vehicles and equipment
• Durable steel housing built for demanding commercial applications
• Reverse-mounted speaker design enhances sound projection and blocks dust and moisture ingress
• Epoxy-sealed, encapsulated electronics for superior resistance to moisture, dust, and vibration
• Simple two-bolt mount for straightforward installation
• Certified to CE, e, and UL standards
• Backed by ECCO's ECCOLIFE limited lifetime warranty

ECCO has been a trusted manufacturer of back-up alarms and audible warning devices since 1972. The 820N is ideal for construction equipment, refuse trucks, delivery vehicles, utility fleets, and any application where a reliable, field-switchable reverse alarm is required.