Magnetic Stud Detector in Wall Stud Detector No Battery Required Small and Compact Practical and Powerful Convenient to Gripping Bullet Points:1, Portable and Lightweight: It is small and compact that can easily fit in your pocket.2, Practical and Powerful: Powerful magnets allow you to use hands-free.3, Easy to Use: The double-sided magnet is designed for easy marking.4, No batteries required: no batteries required. This magnetic pin detector can be easy to use, which is durable.5, Convenient to grip: It is easy and convenient to grasp with a soft touch. Specifications:Name: Magnetic Pin DetectorMaterial: ABS Material: YellowSize: About 7*3*1cm/2.76*1.18*0.39in Weight: About 15g Packing List:Magnetic Pin Detector*1Notes:Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the size of the product.