HLN-TW100 Nighthawk Night Vision Fog Photographing Recorder This night vision device has powerful night vision and fog-passing function, which can accurately and accurately grasp the position of hidden danger defects in the environment with poor visibility and improve the disposal efficiency. To improve the safety level of the line. Most of these night vision devices are used in power line work, and can carry out normal patrols of transmission lines, special patrols, and fault patrols during road nights and poor visibility of rain, snow and fog. Because the Zhejiang Electric Power Company Shaoxing Power Supply Company has demand for the night vision line inspection function of the night vision fog-photographing and recording instrument, the Zhejiang Power Company Shaoxing Power Supply Company found this product on the official website of the company, and feels very much about this product. Interested in and we sent out a product demonstration invitation. On May 16th, 2019, we were invited to come to the 500KV tower in the village of Shaoxing 500KV Lanting Substation to demonstrate the product. We are separated from the tested conductor at around 20 o'clock. At about 200 meters, the laser night vision fog mode is used to detect the observable wire state and the spacer bar. The detection effect is excellent even if the screws are clearly visible, which has been affirmed by local leaders.