Cixi Guanhong Electronics Co., Ltd is based in China and lists a range of electronic sirens, backup alarms and speaker horns on Global Trade Plaza. The lineup includes DC12-80V backup alarms rated at 102 dB or 112 dB with BEBE sound or white noise, a DC12-24V piezo siren producing a BIBI tone at 108 dB, a steel reversing horn alarm at 112 dB, a piezo buzzer siren operating at DC6-15V/24V with selectable melodic tones at 105 dB, and a police siren alarm horn speaker offering 110/115/120 dB output with 1 or 6 melodic tones. Housings use nylon, ABS or steel in black or black/white finishes. Buyers can send an enquiry through Global Trade Plaza.