| Customization: | Available |
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| After-sales Service: | Online Service |
| Certification: | ISO 9001:2000, ISO 9001:2008 |
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Portable Metal Alarm Experience the power of sound with our Portable Metal Alarm, housed in durable metal. Perfect for getting people's attention at camps or schools, while cheering on your favorite team in sporting events or any place that you want to produce an effective warning sound where electricity is not available. The handle and lever folds for easy carrying in the included waist pack. Housing is made of heavy duty metal for maximum strength and durability. Loud hand crank siren - This siren produces a loud and powerful sound with a range of 1 mile and beyond. The sound, universally recognized as an emergency warning, is an effective attention-getter. The volume can be adjusted by the rotation speed of the handle. The siren also features a sound adjusting lever, allowing the loudness of the siren to be regulated. High quality & compact design - The housing and handle are made of heavy duty metal, for maximum strength and durability. The metal structure is heavier but also sturdier than its plastic sibling. The handle and lever fold for easy carrying in the included waist pouch. This high-quality siren was built to ensure smooth operation for years to come. Versatile uses - The compact portable design makes it a functional item for multiple outdoor uses. Great for cheering in sporting events or as a fun noise maker at parties. Can be easily packed in your bag as a personal safety tool during activities such as camping, hiking, and boating to scare away animals, or to signal for help in emergencies. Can be used for warnings when electricity is not available in camps, schools and residential locations. Easy to use and carry - This manual siren is super easy to crank, which also makes it a fun instrument. Once folded, it fits in a small bag or pouch, making it convenient to carry the siren with you whenever you need it.
| Product Name | hand operated alarm |
| Product model | SY-200 |
| Color | Green |
| material quality | aluminium alloy |
| Transmission distance | 2000m |
| Sound pressure | 120 decibels |
| Sound frequency HZ | 500±20HZ |
| Applicable scope | Mining areas, schools, flood prevention and control, natural disasters |
Our main products:
1. DTH Hammer, DTH bit, Drill pipe
2. Top hammer bit, Shank adapter, Drill pipe, coupling.
3. Taper button bit, chisel bit, cross bit,taper rod.
4. Air compressor and drilling machine.
5. Alarm siren.
The information you may like to know before order:
1. Methods of Payment
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air.
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded).
b. Technical Support will be available in any time.
c. Free replacement will provide once the failure confirmed caused by our product quality.
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