This is a 6V Red Flashing LED Panel Mount Waterproof Stainless Steel Buzzer 22mm, 85dB.
Specifications
Buzzer Stainless Steel
Red LED (Flashing)
Voltage: 6V
Sound level: 85 dB Intermittent
Rating: IP40 (comes with rubber O-ring and retention nut)
Connection: Screw Terminal
Panel Mount fixation
Dimensions: 22mm Diam. X 35mm long x 25mm surface top