Audible-visual indicator (buzzer) | 22mm | flashing LED signal | AC 220V | panel mounting | LANBOO

Technical Specifications

Manufacturer: LANBOO
Product type: audible-visual signaling indicator (buzzer)
Mounting: panel (enclosure) mounted
Mounting hole: 22 mm
Supply voltage: AC 220V 
LED voltage: AC 220V 
Sound level: ~70–100 dB (at 5 cm distance)
Signaling: sound + flashing LED
Head type: round
Housing: plastic
Connection: screw terminals
Function: intermittent signal
Application: electronic signaling solutions

Functions

Audible signal (buzzer) – clear warning about an event or fault
Flashing LED indicator – additional visual signal
Standard 22 mm mounting – easy integration into panels
Intermittent signal – more noticeable than continuous sound
Simple connection – screw terminals

Usage

For home users: signaling in garage or workshop, warning about equipment status (e.g., pumps, heating systems), DIY projects or automation
In industry / for engineers: control panel signaling, automation systems (PLC, relays, controllers), production line status indication
For electricians: panel assembly with signaling elements, fast alarm integration into systems, reliable solution at customer sites
For automation / IoT projects: used as audible + visual indicator, integrated with microcontrollers (Arduino, PLC, etc.)

Advantages

Sound + LED in one device
Universal power supply option
Standard 22 mm size (wide compatibility)
Easy installation and connection
Compact and reliable

Disadvantages

Sound level measured at close distance (5 cm) – may be weaker at longer distances
Plastic housing (not metal – lower resistance to extreme conditions)
No additional functions (e.g., adjustable sound or tone selection)