This product uses in the dentistry photograph, is the clinical diagnosis and the root canal plombage essential tool.Uses microcomputer control employing according to ability to absorb the piece operation to be simple, only presses three parameters then to achieve the best exposure control, the simple security operation, is dentist the ideal assistant.Is loaded with in the world in the ball shoe the smallest focal point bulb (0.3×0.3mm), the small focal point causes the phantom clearer at the same time domestic and foreign other products to reduce 16∽20 time of X beam dosage, secludes illumination center radius 1 meter outside the air to disperse the beam and to leak the beam quantity close is 0, the shoe window has filtered X beam with the 1.5mm pure aluminum, thus has protected the skin which illuminates.Protects the patient and doctor's health well.