120decible hand operated sirens,SY-200A type, Manual Operated Alarm,hand emergency signalling apparatus

carton,wooden box,depend on customer's need

Manual alarm without power supply,but can provide an effective alarm in the place that without power supply.Simply shake the handle clockwise through artificial hand,speed arrive junior (50-80 rev / min) can achieve the desired effect alarm,the sound sharp,shocking large, penetrating power.Alarm sound depends on the handle speed of shaking.

Handcranked siren small size,light weight,easy to carry,easy to install,does not require any tools,Only need 0.15 square and where people stood can normal operation ,the mobility of the job is very strong.

It is an ideal Alarm equipment when Civil defense,military, detention centers,prisons,mines,airports,pastures,oil depots,warehouses, hotels,restaurants and other business units Critical situation occurs.

Used for emergency warning,easy to carry,mainly used in flood control,disaster,forest fire,military military supplies,

public and industrial applications to respond to emergencies alarm use.

Cangzhou Bohai Safety&Special Tools Group Co.,Ltd-a famous and professional manufacturer.,established in 1978.We can produce over

300 kinds and nearly 10,000 dimensions including non-sparking tools,special tools,non-magnetic tools,terrace measure tools,hardware forged products and lather bed.
     Our non-sparking tools are mainly used in hazardous environment where flammable and combustible vapors liquids gas dusts 
are present such as petroleum industry,chemical industry,power generation,railroad,and mining etc.Our products sell over 31
provinces and autonomous regins and directly exported to foreign counties,such as Middle East,Europe,South Africa,
Southeastern Asia.
     Our company interested with the principle that"Customer is God"and would like to cooperate with all of the customer with high-quality products and excellent after-sale service.