Working mode: flashing sound. Sound pressure DB: 60-70db. Product model: ad16-22sm. ♥ Hengkun Electronics Co., Ltd Founded In Now 2013. ♥ Good Good Good quality.
Metal Flash Alarm Indicator Signal Lamp with Buzzer 12V 24V AC/DC LED 16/19/22mm
Flash Alarm Indicator Signal Lamp with Buzzer 12V/24V/36V/48V/220V AD16-22SM LED
Flash Alarm Indicator Signal Lamp Metal with Buzzer 12V 24V LED 16/19/22mm IP67
LED Flash Alarm Indicator Signal Lamp with Buzzer 12/24/220V AD16-22SM 16mm/22mm
Flash Alarm Indicator Signal Lamp with Buzzer 12/24/110/220V AD16-22SM LED
