Feature: 1. High Sensitivity: The metal detector has high sensitivity and stability, easy to use, powerful, advanced and efficient 2. Labor Saving: Can greatly improves the work efficiency and labor saving, to meet your various need 3. Fast Detect: Using microcomputer to control the calibration of the chip unit, the self inspection system can quickly scan and detect 4. Search Accurate: It has a remote search system and a accurate positioning detection system, with a measurement range of 1000m 5. Durable Material: The product is made of high quality aluminium material, durable, service life Specification: Item Type: Metal Detector Material: ABS Host: Approx. 28.5 x 16.5cm / 11 x 6.5in Accessory Size: Approx. 15 x 9.9cm / 5.9 x 3.9in Color: Red Plug Specification: UK plug Voltage: 100-240V Range: Approx. 1000m / 109yd Depth: Approx. 15m / 16yd Host Battery (Shipped with Built In Battery): Rechargeable Lithium Battery, 12V, 1600mAh Transmitter Accessories Battery (Shipped with Built In Battery): Rechargeable Lithium Battery, 9.6V, 1200mAh Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, Silver, Copper Charging Time: 10-12 Hours Purpose: Metal Search Weight: Approx. 3230g / 114oz How to Use: Charging method: the instrument is equipped with are chargeable battery, which is directly connected to the charger and can be charged for 10‑12 hours. Package List: 1 x Transmitter(Shipped with Built In Battery) 1 x Receiver(Shipped with Built In Battery) 1 x Antenna 1 x Headset 1 x Headphone Box 1 x Plug Adapter 1 x Plastic Box 1 x User Manual