The Tecno-10 Hidden Camera Detector is a wireless device with a special filter lens that can detect all kinds of cameras. It has a portable design and is rechargeable, making it convenient for on-the-go use. With a working time of 2 hours and a 1-year manufacturer warranty, this anti-spy camera detector provides peace of mind in detecting hidden cameras. The detector is powered by 100 mAh polymer lithium batteries and can be connected to a computer via USB for charging and updates. Made in China, this unit offers a reliable solution for privacy protection.