Product description: It is simple to use a non-contact sensor, just clinging it to the outer wall of the insulating material, it will output the level signal when the liquid level reaches the sensor detection position. Not only easy to install and use, but also has a long service life Features: 1, non-contact sensor detection, suitable for installation in the outer wall of non-metallic containers without direct contact with the liquid, will not be corroded by strong acid and alkali liquid, will not be affected by incrustation and other substances; 2, intelligent liquid reference adjustment and liquid memory function, LED liquid state display; 3, accurate and stable detection, can detect boiling water level 4, pure electronic circuit structure, non-mechanical work, stable performance and long life 5, high stability, high sensitivity, strong anti-interference, will not be affected by electromagnetic interference outside 6, high compatibility, can penetrate a variety of containers made of non-metallic materials, such as plastic, glass, ceramics and other containers, the sensing distance up to 10mm, can detect liquid, powder, granu-lar objects 7, open collector output, voltage range (5V, 12-24V), suitable for connecting a variety of circuits and products, the maximum output current up to 30ma 8, easy to install, just cling it to the outer wall of the materials that need to be detected Scope: for household appliances, bathroom intelligent control products, water purifier, vehicle testing equipment, medical and food mechanical equipment,etc