Features: *360side-scan detection area,pinpoint tip detection. *Proportional audio/vibration pulse indicates targets. *Alarms increase in intensity based on target's proximity. *LED light for low light uses. *Scraping blade for searching soil. *Water and dust resistance. *Portable, durable, and easy to use. *Automatic Tuning- microprocessor circuitry ensures maximum sensitivity, no need for any adjustment. Specification: Operating: -35F(-37C) to 158F70C Tuning: Automatic Indicators: Proportional audio / vibration pulse rate Controls: Power switch Dimensions: Length:9(22.9cm),Width:1.5(3.8cm) tapered to 0.875(2.2cm) Battery: Single 9V (Not Included!!!) More Humanized design for You: LED light for low light uses. Scraping blade for searching soil. Small Size with a holster and a retractable hanging wire for carrying easily. Usage Method: 1. Install a 9V battery or a 9V rechargeable lithium battery for use. When the indicator light keeps flashing, it means the battery is low, you need to replace the battery, if it is a lithium battery, you have to charge it. 2. Press the power switch means turn on, press it again means turn off. (The LED lighting turns on /off following this operation.) 3. After the power is turned on, the indicator light is on. Please make sure the detector is no metal within 0.5 meters, after 2-3 seconds of power on, the detector metal can be searched. 4. If no metal is found but an alarm sounds, this is caused by external interference and can be used normally by rebooting. Package includes: 1 x Hand Held Metal DetectorNeed a 9V Battery, Not Includes 1 x Detector Protect Case 1 x Retractable hanging wire 1 x User Manual