They can try hiding their cameras from you but they won"t succeed in concealing them from this laser detector, It uses the latest technology - a ring of pulsating lasers -- to find wired or wireless cameras concealed as far as 80 feet away, A glance through the viewfinder reveals pinhole cameras and even those hidden in objects like smoke detectors, The flashing red light lets you know when you"ve found something, And with it, you can be sure they won"t find you, Detects Hidden Video Cameras Dead or Alive!, Detects Wired & Wireless Hidden Video Cameras!, Very small light weight and portable size, Detecting sensitivity adjustable, Specifications, Laser detecting range of wired cameras (self-shoot): 0, 1 -20 m, Power supply: Internal li-ion, Battery Life: 3 to 4 hours, Viewing Lens: IR filtered lens, Includes, CDLD Detection Device, Instruction Booklet, SKU: MNGD190