Double lens for more field of vision:This dual-lens endoscope has a camera on the front and side, allowing you to inspect areas from different angles. Due to different lengths, it will a larger field of vision and clearer images Resolution: screen resolution:720p, lens pixel: 2 . Whether it is to complete the overall inspection or find specific details, both can high resolution of clear pictures. For your :16.4-foot semi-rigid cable provides good flexibility and rigidity when navigating in narrow space. Ultra-thin, IP67 waterproof, oil-proof, 8 mm diameter lens can enter the inaccessible area. The interior mirror has 6 lights and 3 adjustable brightness levels, which can enough light for the darker environment. 2000mAh battery: 2000mAh battery can support 3 hours of continuous operation. After completion, just use the USB charger to charge. An endoscope with multiple purposes:The endoscope camera can help you quickly locate problems and troubleshoot . It is applicable to automobile engine inspection, sewer inspection, HVAC pipe inspection, industrial pipe inspection, etc. Say goodbye to the inaccessible space. Colour:Black Material:plastic Size:4.5Inch Package Contents: 1 * endoscope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.