Feature 1. [Hidden Camera Detector] Through the circular viewfinder you can look for errors with your eyes no matter whether you open or close the hidden camera and when the camera is detected you will see a red light. 2. [4 brightness LED lights] 4 brightness LED lights can help you find any hidden camera quickly and easily. 3. [Easy to use] Just open the spy detector and click the switch on the side to look around in the viewfinder and find any hidden cameras Product description 1. Today hidden cameras pose an increasing threat to personal privacy especially in travel and tourism. 2. More importantly nowadays cameras are so small that they are easy to hide. In some cases you may be captured by the video without even knowing it is happening. 3. In order to protect your personal privacy everyone needs an excellent hidden camera detector to discover hidden cameras when traveling. Parameters: Built-in 3.7V / 150mAH lithium polymer battery Working current: 4.5A Charging voltage: 5V Charging time: 2 hours LED light: emission 600-650nm Detection distance: 10m