The main functions and characteristics of the BC-8 multifunctional sound, light, and voice alarm are as follows: the shell is made of aluminum alloy pressure casting, with a beautiful and novel structure, light weight, and good corrosion resistance< Good sealing performance and excellent waterproof and dustproof function< The lamp tube is made of light-emitting diodes, with a service life of over 100000 hours< The lampshade is made of PC material, which has particularly good impact strength, thermal stability, and glossiness< Integrated chip design with * electromagnetic anti-interference performance< Multiple tone and voice options, with adjustable volume for a wide range of applications< The installation and usage method should check whether the power supply and the rated voltage of the buzzer match. Install vertically with the horn facing downwards. The buzzer should be fixed to the mounting surface with 4 M8 screws, and the mounting surface should be flat and have sufficient mechanical strength. Unscrew the two screws on the nameplate cover plate, remove the cover plate, and expose the wiring terminal block. Connect the power and control wires from the waterproof joint of the cable, and correctly connect them according to the terminal definitions on the label. Check that the power cord and other control cables are connected correctly before starting the power supply. Rotate the volume adjustment potentiometer to adjust the volume. Attention: When the system is powered on and the product does not work or is not working properly, please check whether the power supply terminal and volume adjustment terminal are connected correctly. If there is no sound, please check the volume adjustment switch. If you have any other questions, please contact our company. Please make sure to install and use this product correctly according to the above methods. The main functions and characteristics of the BC-8 multifunctional sound, light, and voice alarm:; 1. Size: diameter 190mm× Height 316mm 2, output sound volume: 115DB 3, voltage: DC12 DC24 DC48 AC36V AC110V AC220V AC380V 4, protection level: IP56
Color: (optional) Red, yellow, green& nbsp;           
    Working voltage: (optional) AC220-250V, AC380V, DC24V
 & nbsp;  Working current:<1A
 & nbsp;  Power frequency: 50HZ-60HZ
 & nbsp;  Speaker power: 6W/106dB
 & nbsp;  Protection level: IP56