Model NO.: MD-300s
Alarms: Sound (or Vibration) and Light
Package Size: 420mm x 100mm x 50mm
Trademark: Zhonganxie
Transport Package: Carton Boxes or Customized According to Customer Needs
Specification: 420mm x 100mm x 50mm
Origin: Shenzhen, China
HS Code: 8543709100
Product Features
- High sensitivity for accurate detection
- Constructed with durable ABS material
- Effective detection range of 30 to 60mm for small objects
- Simple and user-friendly operation
- Easy to adjust for different usage scenarios
- Rechargeable battery – charge in 4-6 hours after full discharge
- Self-checking function upon startup for reliability
- Consistent detecting distance even when battery voltage drops from 9V to 7V
- Energy-efficient design, capable of operating for up to 40 hours continuously
- Multiple alarm options: light, sound, or vibration
- Warning alerts when the battery is nearly depleted
- Audio or vibration alert when turning the device on or off
Specifications
Technical Standard | Technical Parameter |
Product size | 415mm x 85mm x 45mm |
Package Size | 420mm x 100mm x 50mm |
Working frequency | About 20KHz |
Alarms | Sound (or vibration) and light |
Power supply | Standard 6F22/15F8H 9V battery or optional rechargeable battery |
Temperature Range | -15°C to +55°C |
Packing | 25 units per box, 12kg per box |
Product Details

Our Advantages
1. Brand cooperation, ODM, OEM services available.
2. Comprehensive technical solutions provided.
3. Professional training and technical support for customers.
4. Integrated services including product design, R&D, manufacturing, and sales.
5. Recognized as one of the top four global security brands, with a focus on quality and innovation.
6. Advanced features, modern design, and strong market adaptability.
Our Services
1. All products come with a 3-year warranty for quality assurance.
2. Free maintenance during the warranty period if quality issues occur.
3. Lifetime technical support and spare parts availability.
4. Immediate response to customer inquiries and problem-solving through dedicated engineers.
5. Welcome to visit our company anytime for assistance with product usage or any other concerns.
Workshop Profile




ARSENAL is an internationally recognized brand in Europe and North America, and one of the world's top four security brands. USA ARSENAL Security Group, established in the mid-20th century, now has a registered capital of $100 million and is headquartered in Florida, USA. It is the leading manufacturer of security equipment globally. In the 21st century, ARSENAL Hong Kong Security Group introduced its brand into Asia. In 2011, it successfully authorized Shenzhen Zhonganxie Technology Co., Ltd. as its first technical cooperation partner in mainland China. Zhonganxie Technology Co., Ltd. is the only technical cooperation company in mainland China under the ARSENAL brand, located in Shenzhen, a special economic zone known for reform and opening-up. Zhonganxie focuses on introducing the ARSENAL brand and technology, conducting secondary development, production, sales, and after-sales services. The company specializes in research and development of metal detectors, X-ray baggage screening systems, drug and explosive detectors, fireworks detectors, vehicle inspection tools, and more. As one of the four major American security brands, Zhonganxie has always been at the forefront of China’s security industry, becoming a market leader. To meet growing market demands, Shenzhen Zhonganxie Technology Co., Ltd. integrates all resources to make strategic decisions in brand planning, market operations, and marketing systems, ensuring efficient and rapid growth. We welcome all partners and friends with shared goals to join us in shaping the future of global security. We sincerely invite you to be part of our journey!
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