Ultrasonic Water Liquid Depth Level Meter Sensor with LCD Display

This multifunctional water level sensor is easy to install and use, can detect water depth, watertank temperature, indoor temperature, etc. Features: This meter monitors liquid depth level, and displays on a 10-element LCD bar graph. It can keep min/max records of liquid level. Supports liquid level high/low alarm and liquid empty alert. Displays indoor temperature ( or ) and temperature ( or ) at the same time. The receiver can be put standing on desk or hanging on wall. Specifications: Main material: plastic Color: white+black Indoor temperature range: 0~60 Outdoor temperature range: -40~60 Temperature accuracy: ±1 Water level measurement range: 0~15m Resolution: 0.01m Precision: ±0.03m Transmission frequency: 433MHz Transmission range: 100 meters (300 feet) in open area Transmission interval: 30s when level changes or 3 minutes when level does not change Receiver battery: 2 * AA 1.5V LR3 alkaline battery (not included) Transmitter battery: 6 * AAA 1.5V LR6 alkaline battery (not included) Battery life: minimum 12 months for receiver, minimum 12 months for transmitter Receiver size: 105 * 93 * 25mm / 4.1 * 3.7 * 1.0in Receiver weight: 93g / 3.3ounce Transmitter size: 155 * 95 * 65mm / 6.1 * 3.7 * 2.6in Transmitter weight: 125g / 4.4ounce LCD size: 66 * 45mm / 2.6 * 1.8in Package size: 165 * 110 * 105mm / 6.5 * 4.3 * 4.1in Package weight: 288g / 10.2ounce Package List: 1 * Water Level Sensor Transmitter 1 * Indoor Receiver 2 * Screws