Description: Waterproof rating 1P62; Small size, low cost, no mechanical moving parts, high reliability; Meets safety standards and meets RoHS requirements Simply attach it to the outer wall of the container and it is easy to install. -low standby power consumption, direct 0/5 high and low level output, can directly control the output without using a single-chip microcomputer; Applicable to water dispensers, water heaters, dishwashers, humidifiers, water purifiers, etc. Specification: Supply voltage: DC4.5-5.5V Output signal: active low Working current: 30mA Power: 165mW Working environment: -20 to +65 ° C Storage environment: -20 to +65 ° C Material: Mixture Size(LxWxH):approx. 26x22x6mm/1.02x0.86x0.23inch Package Includes: 1 Piece Non-contact Liquid Level Switch Note: Only non-metallic materials can be inspected without checking the wall thickness of 2.5mm. The delivery is only a sensor, the water bottle and the multimeter are just for the customer to intuitively understand the product, the test chart taken.