Feature: 
1. Monitors tank liquid depth level
2. Tank liquid level displayed on a 10-element LCD bar graph
3. Min/max records of tank liquid level
4. Tank liquid level high/low alarm
5. Tank liquid empty alert
6. Indoor temperature (ºF or ºC) 
7. Tank temperature (ºF or ºC)
8. Time alarm
9.  Free Standing or wall hanging

Specification:
Indoor temperature range :0~60ºC
Outdoor temperature range:-40~60ºC
Temperature accuracy:±1ºC
Water level measure rang:0 ~15m
Resolution:0.01m
Accurate: +/-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

Power consumption:
Receiver:2XAA 1.5V LR3 Alkaline batteries
Remote sensor:6XAAA 1.5V LR6 Alkaline or lithium batteries
Battery life: Minimum 12 months for receiver
Minimum 12 months for transmitter

Dimensions(HXWXD):
Receiver:108X94X27mm
Transmitter:97X68X152mm
LCD Dimensions(LXW):66X45mm(3.3 inch)

Package: 1*base station, 1*transmitter