High QualityThe water tank level indicator is made of high-quality materials with high precision and can measure accurate data for you. Measuring RangeUltrasonic Level Gauge Indoor Temperature Range: 0~60, Outdoor Temperature Range: -40~60, Water Level Measure Rang: 0~15m. High AccuracyWireless tank level sensorTemperature Accuracy: ±1oC, water level measurement accuracy: ±0.03M. High-precision level gauge for accurate data. MultifunctionTank Liquid Level maintains a minimum/maximum record of tank level, supports tank level high/low alarms and tank liquid empty alarms. Convenient to UseThe Water Level Sensor's receiver can be placed on a table or hung on a wall to monitor tank depth, Manufacturer: CFWWSAQ