Metal Working Fluid,Metalworking Fluids,Metalworking Coolants,Semi Synthetic Metalworking Fluids NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.cnluckychemical.com
Colleges Security Check Handheld Metal Detector with Alarm Light
Here is the rewritten and improved English version of your content, with a total length of over 500 characters. The text has been rephrased for clarity, natural flow, and to appear as if written by a real person:
---
**Model No.:** MD-3003B1
**Alarms:** Sound (or Vibration) and Light
**Temperature Range:** -15°C to 55°C
**Trademark:** Zhonganxie
**Transport Package:** Carton Boxes or Customized According to Customer Needs
**Specification:** 420mm x 100mm x 50mm
**Origin:** Shenzhen, China
**HS Code:** 8543709100
**Applications**
- **Security Check:** Prevents the carrying of prohibited items such as knives, guns, and more.
- **Factory Use:** Helps prevent loss of valuable items.
- **Education:** Stops cheating during exams by detecting electronic devices like phones and electronic dictionaries.
**Product Features**
1. High sensitivity for accurate detection.
2. Can detect a metal pin within 30–60mm.
3. Simple and user-friendly operation.
4. Easy to adjust according to needs.
5. Detection range remains consistent even when battery voltage drops from 9V to 7V.
6. Energy-efficient, operating for up to 40 hours continuously.
7. Offers multiple alarm options: light, sound, or vibration.
8. Alerts users when the battery is low with sound or vibration.
9. Provides an alarm when turning the device on or off.
10. Two sensitivity levels available—high and low.
11. Rechargeable battery, takes about 4–6 hours to charge.
12. Self-checks automatically upon startup.
13. Made from durable ABS material.
**Technical Specifications**
| Technical Standard | Technical Parameter |
|---------------------------|----------------------------------------------|
| Product Size | 415mm x 85mm x 45mm |
| Packaging Size | 420mm x 100mm x 50mm |
| Working Frequency | Approximately 20 KHz |
| Alarms | Sound (or Vibration) and Light |
| Power Supply | 9V Battery (Standard 6F22/15F8H) or Rechargeable |
| Operating Temperature | -15°C to +55°C |
| Packing | 25 units per box, 12kg per box |
**Product Details**
**Our Advantages**
1. Brand cooperation, ODM, OEM services
2. Comprehensive technical solutions
3. On-site support and customer training
4. Integrated services including design, R&D, manufacturing, and sales
5. One of the world's top four security brands
6. Advanced features, modern design, and market-ready products
**Workshop Profile**
**Company Information**
ARSENAL is a globally recognized security brand in Europe and America, one of the world’s top four security companies. Founded in the mid-20th century, it is now headquartered in Florida, USA, and is a leading manufacturer of security equipment worldwide.
In the 21st century, ARSENAL Hong Kong Security Group introduced its technology into Asia. In 2011, it partnered with Shenzhen Zhonganxie Technology Co., Ltd., the only authorized technical partner in mainland China. Zhonganxie is dedicated to introducing the ARSENAL brand and technology, conducting secondary development, production, sales, and service.
Zhonganxie specializes in research and production of metal detectors, X-ray baggage screening systems, drug and explosive detectors, fireworks detectors, vehicle inspection tools, and more. With the support of USA ARSENAL Security Group, Zhonganxie continues to lead in the Chinese security industry and is a market leader.
We invite all partners and friends to join us in driving the future of global security. We warmly welcome you to be part of our journey!
---
Let me know if you'd like this adapted for a specific platform like a product page, brochure, or social media post.