hand emergency signalling apparatus alertor manual sirens

Hand operated siren FX-200 is designed to provide effective warning in applications where there is no power supply.
this model provides tripod

Specification Sound Rating:
118±2dB(A) @1M
Output Frequency:
480±20Hz (Dependent on Rotation Speed)
Sound range: 1000M
Net Weight:
7Kg
Carton Size:
54x24x27CM Features :
no power supply required
robust and compact for portability
powerful low frequency sound
universally recognised signal
Shutter mechanism to provide a choice of signals:continuous and warble Application:
Camp site,civil defence,mountain rescue,coast guard warning,quarries/mining