الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
مميزات خاصة
Lightweight design, easy to carry, can produce a loud&powerful sound of 110 db.
The hand siren is made of durable aluminum alloy with anti-rust paint outside, durable and wear resistant.
The hand-operated alarm does not require power support. Just rotating the handle manually, the faster the speed, the louder the sound.
When the power and traffic are blocked, other mobile alarms cannot enter the alarm area. The portable and convenient hand-crank alarm becomes a very convenient and practical alarm.
Widely used in factories, schools, military units, disasters, forest fire prevention, flood control, fire protection, reservoirs, airports, hotels and other emergency places. It can effectively provide timely warnings in the event and reduce people's property losses and casualties.
وصف
Specifications:
Material: aluminum alloy
Color: Red
Weight: 1.2kg / 2.64lb
Size: 24*14*14cm / 9.4*5.5*5.5inch
Rotary speed: 2000r/min
Frequency: 550±20Hz
Sound level: 110±2 (Class A) at a radius of 1 meter