Water tank level depth sensor

The multifunctional water level sensor is easy to install and use, and can detect the water tank depth, water tank temperature, indoor temperature, etc. it is a practical water tank sensor.
characteristic:
The instrument monitors the liquid level of the oil tank and displays it as a 10 element LCD bar graph.
It can record the minimum / maximum level of the tank.
Support oil tank liquid level high / low alarm and oil tank vacuum alarm.
The temperature in the tank and the temperature in the tank are displayed at the same time.
The receiver can be placed on the table or hung on the wall.
Specifications:
Main material: plastic
Resolution: 0.01M
Accuracy: ± 0.03m
Transmission frequency: 433 MHz
Transmission range: 100 meters (300 feet) in open area
Transmission interval: the liquid level changes for 30 seconds or the liquid level remains unchanged for 3 minutes
Receiver battery: 2 AA 1.5V LR3 alkaline batteries (excluding)
Transmitter battery: 6 1.5 V LR6 AAA alkaline batteries (not included)
Battery life: at least 12 months for receiver and at least 12 months for transmitter
Receiver size: 105 * 93 * 25 mm / 4.1 * 3.7 * 1.0 inches
Receiver weight: 93 g / 3.3 oz
Transmitter size: 155 * 95 * 65 mm / 6.1 * 3.7 * 2.6 inches
Transmitter weight: 125 g / 4.4 oz
LCD screen size: 66 * 45 mm / 2.6 * 1.8 inches
Package size: 165 * 110 * 105 mm / 6.5 * 4.3 * 4.1 inches
Package weight: 288 g / 10.2 oz
Packing list:
1 * water level sensor transmitter
1 * internal receiver
2 * screw