Features: The Ultrasonic Water tanks levels Meter features LCD for real time levels visualization, high/low alarms, and double temperature monitoring (indoor/tanks), ensuring precise water management in residential or industrial settings. This ABS plastic sensors offer 1 5m water measurement (±0.05m accuracy) with 40°C to 60°C temperature detection, supporting wall mounted or freestanding installation for versatile deployment. Essential for homeowners, agricultural operators, and facility managers requiring overflows prevention and resource optimization in water storage systems. Monitor residential rainwater tanks, industrial liquid containers, or commercial HVAC systems effortlessly with its wireless design and instantly visual feedbacks. Combines durability with multi functional monitoring capabilities, including empty tanks alerts and 0.01m resolution measurements for critical infrastructure applications. Specifications: Component:ABS Indoor Temperature Ranges: 0℃~50℃ / 32℉~122℉ Resolution: 0.1℃ Accuracy: ±1℃ Water tanks Temperature Measurement Ranges: -40℃~60℃ / -40℉~140℉ Alarm Duration: 120 seconds Package Includes: 1Piece Receiver 1Piece Transmitter 2Pcs Installation Screws 1Piece USB to Type C Cable 1Piece User Manual (English) note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.