---Produce & offer NANHUA Replaced BC-8 Audible-Visual Electronic Buzzers at very competitive price. ---BC-8 Audible-Visual Electronic Buzzer is developed specifically for lifting machinery, gantry cranes, and bridge cranes by our plant with internationally up-to-date electronic technology. With our advanced process technology and testing equipment, the product is enjoying a competitive edge in domestic market in terms of technical performance and style. ---Aluminum alloy is adopted for shells of BC-8 Audible-Visual Electronic Buzzers, and electronic integrated circuits for inner cores. A flasher which consists of LEDs is equipped on top of the buzzer. The product consumes less power and its service life is over 20,000hours. ---BC-8 Audible-Visual Electronic Buzzer features lightweight, waterproof, anti-strong-shock, safe and convenient. With such advantages, it is the best choice for safety alarm of lifting machines, gantry cranes, bridge cranes, overhead traveling cranes and heavy duty equipment in metallurgy and mine industry. Voice module can be produced out of voice content or magnetic tapes provided by customers, to realize voice tips. ---Color (optional): Red, Yellow, Green ---Operating Voltage (optional): AC 24V-380V ---Operating Current: Within 1A ---Supply Frequency: 50Hz-60Hz ---Power of Sounder: 6W/106dB ---Protection Grade: IP54/IP56 ---Weight: 2.7kg ---Sound Frequency: 800Hz, Synchronous intermittent sound and light alarms with interval of 1 second. ---If you are in need of these buzzers, pls feel free to inform us, and we promise absolutely competitive price. ---We can also offer the other below replaced Nanhua equipment: 1. Equipment Annunciator 1) BC-2 Multi-Function Equipment Annunciator: BC-2Y, BC-2B, BC-2C, BC-2W, BC-2F, BC-2X, BC-2K, BC-2II 2) BC-CJ Supersonic Distance Measuring Alarm 3) BC-9 Marine Type Waterproof Annunciator 4) BC-29 Multi-Function Equipment Annunciator 5) BC-27: BC-2F, BC-2X, BC-2K 6) Speaker: YH10-2, YH25-3, YH50-3 2. Audible-Visual Electronic Buzzer 1) BC-8 Audible-Visual Electronic Buzzer 2) BC-8X Audible-Visual Electronic Buzzer 3) BC-8S Audible-Visual Electronic Buzzer 4) BC-809 Audible-Visual Electronic Buzzer 5) BC-3B Audible-Visual Electronic Buzzer