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| GENERAL FEATURES &SPECIFICATIONS | 一般功能和规格 |  
|  |  |  |  
|  | AR-904 | AR-908 |  
| Detectable Distance | 90mm | 20mm |  
| 可探测金属距离 |  
| Detectable Metal Size | >2*10mm | >2*10mm |  
| 可探测金属大小 |  
| Power On Indication | √ | √ |  
| 开机LED显示 |  
| Detection Indication | Audio & Visiable | Audio/Visiable/Vribration |  
| 探测提示 | 声音/LED提示 | 声音/LED/振动提示 |  
| Adjustable Detection Control | √ | √ |  
| 可调探测控制 |  
| Low Battery LED Indication | √ | √ |  
| 低电LED显示功能 |  
| Supper Bright LED For Locking Position | √ | √ |  
| LED探测提示 |  | 
|  | 
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|  |  |  
| GENERAL CHARACTERISTICS | 一般特征 |  
| Power | 9vBattery | 9vBattery |  
| 供电 | 9v电池 | 9v电池 |  
| Product Color | Dark Gray | Black |  
| 产品颜色 | 深灰 | 黑 |  
| Product Net Weight | 250g | 108g |  
| 产品净重 |  
| Product Size | 280*84.5*32mm | 138*58*20.5mm |  
| 产品尺寸 |  | 
|  | 
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| PACKING INFORMATION | 包装 |  
| Packing way | Blister | Blister |  
| 包装方式 | 吸塑 | 吸塑 |  
| Standard Quantity Carton | 40 |  |