[See More with Dual Lens & Split Screen]: The DS300 inspection camera has dual-lens technology that allows you to switch between different viewing angles without installing a side mirror. The FOV 70° button give you a wider viewing angle even in a narrow place; with one button, you can switch between three observation modes for more convenience and ease of use. [Color Screen and Crisp 1080P]: Upgraded wide-angle 4.3-inch TFT LCD screen provides a horizontal viewing angle of about 170°. The endoscope camera captures 2.0 MP crisp pictures and 1080P HD fluent videos. The adjustable 7 LED lights with Bluart 2.0 tech provide you with a clearer view on each inspection. The built-in battery can work continuously for about 4 hours and is easily rechargeable through a USB cable. [More Efficient with Advanced 2nd CMOS Chip]: The borescope adopts the 2nd CMOS chip, which supports the highest recording frame rate and solves the problem of picture delay. You can quickly switch between the front and