Note: There are two different styles,Please read carefully before buying. The endoscopes with WIFI: Lens diameter: 5.5 mm Camera light source: 6 adjustable LEDS Working temperature: 32 to 113 degrees Fahrenheit (0-45 degrees) Battery: 1800mA lithium battery Working time: 1.5H Power input: DC 5V 500 mAh / 1A Waterproof: IP67 (for lenses only) Focal length: 5cm~?T Camera resolution: 2560*1920 Sensor pixel: 5 million pixels Angle of view: 70 degrees Support system: ios/Android Photo format: MJPEG Video format: MP4 Package IncludedLs 1 set of endoscopes The endoscopes without WIFI: Product features: Colour: Black Line length: 5m 3-in-1 converter: TYPE-C/Mirco/USB Hard line 1:6 high-brightness LED lights are adjustable (adjustable to fully closed state) 2: Line length specification (5 meters) 3: Waterproof level: IP67 (has passed the European and American CE FCC rohs certification) 4: HD coms camera 5: Resolution: 5.5/7.0mm lens is 640*480 6: Android interface, distribution USB interface adapter cable 7: Frame number: 30 frames per second Effective focal length: 3-10cmPackage IncludedLs 1X 3in1 industrial endoscope 1X side mirror 1X hook 1X magnet 1X manual 2MP HD resolution, equipped with 2 megapixel CMOS camera and 6 adjustable LED lights, this WiFi borescope can help you capture clear images and high-quality videos at a focal length of 3-8cm. The upgraded version, its 5.5 mm diameter camera is smaller and useful in narrow and hard-to-see places, such as vehicle maintenance, sewer inspection, ventilation pipe inspection, etc. High-capacity 1800mAh battery, using real 1800mAh built-in lithium-ion battery, its working time can reach 3-4 hours, which is one hour longer than most other wifi borescopes. Zoomable picture function, you can zoom in or zoom out the picture or video to check some dark areas more clearly