Portable RF Signal Detector with Multi-Function Detection Enhance your travel setup with this compact RF signal detector designed for convenient everyday use. Its portable design makes it easy to carry while offering multiple detection functions in one device. This compact device features a practical 4-in-1 design that combines RF signal detection, optical lens detection, magnetic signal detection, and flashlight functionality in a lightweight format. Key Features: 4-IN-1 Multifunction Design: Combines RF signal detection, optical lens detection, magnetic field detection, and flashlight functionality. Compact and Portable: Lightweight design measuring 4.25 x 0.94 x 0.59 inches for convenient carrying. Adjustable Sensitivity: Features a 5-stage adjustable sensitivity setting. Dual Working Modes: Supports both tone and vibration modes. Rechargeable Battery: Provides up to 25 hours of operation on a full charge. The slim and portable design fits easily into a pocket, bag, or travel case, making it suitable for everyday carry and travel use.