This multifunctional water level sensor is easy to install and use, can detect water tank depth, tank temperature, indoor temperature, etc. It is a practical water tank sensor.

Features:
This meter monitors tank liquid depth level, and displays on a 10-element LCD bar graph.
It can keep min/max records of tank liquid level.
Supports tank liquid level high/low alarm and tank liquid empty alert.
Displays indoor temperature (? or ?) and tank 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