Product information: Model: F300 Probe diameter: 7 (mm) Test angle: 70 (ﾰ) Waterproof grade: IP68 Working length: 20000 (mm) Pixel: 10.8 million Display: computer phone Lighting method: LED light Specifications: 8mm lens -2 meter hard wire, 8mm lens -5 meter hard wire, 8mm lens -10 meter hard wire, 5.5mm lens