Wireless Ultrasonic Water Tank Liquid Level Meter with Temperature Sensor Time Display Low Battery Indicator

This meter allows you to know the state of the outdoor water tank without leaving living room.
You can mount it on the top of your water tank, the meter can measure the precise temperature with an ultrasonic sensor.
Check your room's temperature, tank temperature and water level.
You can store min/max records and set alarms for specific water levels (high/low) or when empty.
Transmission range up to 100m (free field)

Water level displayed on a 10 elements bar graph
With tank empty alert, safe to use.
Low battery indicator
Time display at 12/24hr system.
Tank level display at metre or feet.
Two tank level alarm mode: high/low
Battery power:
Receiver 2 x AA 1.5V (not included),
Outdoor transmitter: 6 x AAA 1.5V (not included)
Indoor temperature range:0~60degree Celsius
Outdoor temperature range :-40~60degree Celsius
Temperature accuracy:±1degree Celsius
Water level measure range: 0 ~15m
Resolution: 0.01m
Accurate: +/-0.03m
Colour:white+black
Material:plastic

Package Contents:
1 x Water Level Sensor Transmitter
1 x Indoor Receiver
2 x Screws

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.