Features: The Liquid Level Meter is a tool for accurately measuring water level. Suitable for various applications. Key Features Time function, low battery reminder, alarm clock, temperature display, data signal indication, and more. User friendly for easy operate. Perfect for professional and enthusiasts in need of precise water level measurements. For plumbers, engineer, and homeowners. Whether observe water level in a tank, pool, other source, the Liquid Level Meter provide accurate readings. With its materials and user friendly, the Liquid Level Meter ensures accurate water level measurements. A must tool for water level measurement. Specifications: Component: Plastic Temperature Measuring: -40 to 60℃/-40 to 140℉ Level Measuring: 1-5meters Size: Transmitter: About. 68x109x167mm/2.68x4.29x6.57in Receiver: About. 135x26x84mm/5.31x1.02x3.31in Package Includes: 1 Set Ultrasonic Level Sensor note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.