Product Overview: The Baseus Heyo Anti-Spy Camera Detector is an essential, portable personal privacy tool designed to safeguard your security in hotels, Airbnbs, public changing rooms, and rented apartments. Utilizing advanced 3D optical reflection technology paired with high-intensity infrared LED filters, it quickly reveals hidden pinhole cameras, spy cams, and wireless lenses by reflecting light off camera lens optics. The detector features two distinct lighting modes—Always-On and Strobe Flashing—allowing users to easily spot reflection points even in dark or poorly lit environments. Built with a ultra-lightweight, coin-sized chassis with an integrated lanyard loop, the Baseus Camera Detector easily attaches to keychains or travel bags. Powered by a rechargeable lithium battery with a universal Type-C charging interface, it offers up to 30 days of standby time for reliable peace of mind wherever you travel. • Key Highlight 1: 3D Infrared Lens Scanning - Optical filter layer highlights hidden pinhole cameras and lenses via red light reflection. • Key Highlight 2: Dual Light Modes - Features Constant Red Light and Flashing Strobe modes to adapt to different room lighting conditions. • Key Highlight 3: Compact & Ultra-Lightweight - Weighs only ~15 grams with an integrated lanyard attachment loop for effortless travel carry. • Key Highlight 4: Type-C Rechargeable & Long Standby - Built-in rechargeable battery delivers up to 30 days of standby power on a single charge.