Hand operated siren LK-100 is no electrically powered warning device to provide effective sound signal warning to fit virtually any signaling application and alert need

　　Specification

　　Sound Rating:

　　110±2dB(A) @1M

　　Output Frequency:

　　550±20Hz (Dependent on Rotation Speed)

　　Sound range:500M

　　Net Weight:

　　1.2Kg

　　Carton Size:

　　18.6x18.6x17CM

　　Features :

　　no power supply required

　　light weight for portability

　　powerful low frequency sound

　　Shutter mechanism to provide a choice of signals:continuous and warble

　　Application:

　　Camp site,civil defence,mountain rescue,coast guard warning,quarries/mining