Feature: 1. Wide Application: suitable for car maintenance, inspection of sewers, air conditioners, tight seams and other places that cannot be directly observed by eyes. 2. Wifi Phone Endoscope: The endoscope comes with WiFi, and is compatible with multiple mobile phones at the same time. 3. Adjustable Brightness: Adjust LED brightness, improve visibility in dark places, create clear and vivid image output, adapt to various environments. 4. High Definition: 1200P high‑definition lens, 1600x1200 camera resolution, equipped with Blu‑ray technology, the picture clarity is improved. 5. IP68 Waterproof: The waterproof diameter is 8mm, and even larger solid particles cannot penetrate completely. 6. Large Capacity Battery: Built‑in 800mAh battery, can work for 90 minutes, long standby time, work through 5V power charging, support camera and video recording mobile phone. 7. Easy Use: Distribute hooks, magnets, mirrors, charging cables, waterproof rings, etc. to deal with various environments. Specification: Item Type: Endoscope Camera Material: PVC Usage Scenarios: Auto repair/pipeline repair/air conditioning inspection/underground exploration Imaging Sensor: CMOS Camera Resolution: 1600 x 1200 Horizontal Viewing Angle: 70 degrees Transmission Frequency: 2412-2612MHZ Minimum Illumination: 0LUX Power Supply: 1 x 3.7V 800mah lithium battery (built-in) Unobstructed Effective Distance: Approx. 5-10m/16.4-32.8ftWaterproof Grade: lp68 Lens Diameter: Approx. 8mm/0.32in Battery Charging: 5V-2A/1A/500mA Focal Length: Approx. 3-10cm/1.18-3.94in Charging Time: 2h. Package List: 1 x Wifi Transmitter1 x Endoscope1 x Adapter Cable1 x Charging Cable1 x Magnet1 x Hook1 x Side Mirror1 x Waterproof Ring1 x Manual1 x Storage Tube Note: Install a waterproof ring to enhance water resistance.