ITEM NAME:1 * Metal Detector Kit Electronic Kit DC 3V- 5V 60mm Non-contact Sensor DIY Descriptio n Description: Working voltage: DC 3-5V Working current: less than or equal to 40mA Standby current: less than or equal to 5mA Detection depth: less than or equal to 60mm Detection and alarm modes: sound, light Specifications: Material: PCB Color: green PCB board size: 86 * 61mm Weight: 0.018kg Package Included: 1 * Metal Detector Kit Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 1 * Metal Detector Kit Electronic Kit DC 3V- 5V 60mm Non-contact Sensor DIY.Detection depth: less than or equal to 60mm. Detection and alarm modes: sound, light. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.