The BC-6 sound and light electronic buzzer alarm is applied to the sound and light alarm of lifting equipment such as construction machinery (cranes, crawler cranes, tire cranes, etc.) and port machinery (gantry cranes, bridge cranes, etc.). Main functions and features• The alarm sound is loud and clear& bull; The warning light adopts ultra bright light-emitting diodes, which have high luminous efficiency, low power consumption, and long service life& bull; The alarm sound is synchronized with the warning light to achieve a more obvious warning effect& bull; You can customize the tone or audio content according to the needs of the on-site environment. Main technical parameters: working voltage ac220v/dc24V (special voltage can be customized), power frequency 50Hz~60Hz, tones a, b, e, d, voice, music (optional), power<10W, color red sound level 106dB, warning F-type sound and light working temperature -30 ℃~+70 ℃  Protection level: IP65, working humidity: 10%~95% (non condensing), reference weight: 2.0kg, material: cold-rolled plate, spray coating, lampshade: PC, installation and usage method• It is necessary to check whether the rated voltage of the power supply and the buzzer match& bull; The buzzer should be fixed to the installation surface with 4 M8 screws, and the installation surface should be flat and have sufficient mechanical strength& bull; Open the nameplate cover and connect the power and control wires& bull; After checking the correctness of the power supply and control line, start the power supply. Notes on Product Selection Table• Please read the manual carefully and use this product correctly& bull; Do not reverse the polarity of the power supply during installation and use& bull; If you have any other questions during use, please contact our company. BC-6 sound optoelectronic buzzer alarm