4 in 1 Hidden Camera Detectors: This hidden camera detectors incorporates 4 features.1. RF Signal Detection to detect active RF bug transmitters like transmitting camera,GPS tracker,wireless audio bug. 2. Camera Lens Finder&Camera Detector to spot the hidden pinhole camera by a simple visual inspection via infrared laser scanning. 3. Magnetic Field Detection to find the unwanted widely used magnetized GPS trackers. 4.Flashlight, no more worries even in dark environment.Ultra Sensitivity: With upgraded ultra-sensitive chips, this camera detector has 5 levels of sensitivity, which allow you to accurately find the signal source. Effective detection of 30? range area. Easy to Use: Rechargeable lithium-ion battery, one hour fast charging(Each full charge can be used for 25 hours, and can be standby for 25 days). Our anti spy pen use High-quality PC material, Portable like a pen (only 30g), easy to carry and store. Perfectly for home, office, travel, and etc. Privacy Safety: This product uses a passive, wireless and infrared scanning technique,It can accurately detect: eavesdropping, telephone eavesdropping, meetings eavesdropping, GPS location trackers, car eavesdropping, wireless pinhole cameras, cable cameras, electrical radiation sources andso on.Can effectively prevent your privacy leaks. Super Signal Detection: Can detect radio waves, 2G,3G,4G mobile signal, SIM card bug. Frequency detection range 1Mhz - 6.5Ghz. Help you trust the surrounding environment. 4 in 1 Hidden Camera Detectors: This hidden camera detectors incorporates 4 features.1. RF Signal Detection to detect active RF bug transmitters like transmitting camera,GPS tracker,wireless audio bug. 2. Camera Lens Finder&Camera Detector to spot the hidden pinhole camera by a simple visual inspection via infrared laser scanning. 3. Magnetic Field Detection to find the unwanted widely used magnetized GPS trackers. 4.Flashlight, no more worries even in dark environment.