Air raid siren

Feature and function: ***** switch between 220VAC and 48 VDC automatically. 2.Has 500w-2000w power, steady voltage and overprotection 3.PLC controller and integrate circuit

Sound Rating: 110±2dB(A) @1M Output Frequency: 550±20Hz Single Tone Net Weight: 1.2Kg Carton Size: 15.5x15.5x16CM LK-100 is designed...

PERFORMANCE PARAMETER: -------------------------------------------------------------------------------- Sound Rating: 120±2dB(C) @1M Electric Motor: 2.2Kw, 220...