• Pay close attention to your outdoor water tank in your own comfortable living room, up to 100m away
• You can hang the receiver unit on the wall or pull out the stand and place it on the kitchen table or table
• Simultaneously display the indoor temperature (°F or °C) and the water tank temperature (°F or °C)
• View your room temperature, water tank temperature, and water level (represented by a bar graph of 10 elements)
• You can store minimum/maximum records and set specific water levels (high/low) or empty time alarms

Specifications:

• Material: plastic
• Receiver size: 10.5 x 9.3 x 2.5cm
• Transmitter size: 15.5 x 6.5 x 9.5cm
• Indoor temperature range: 0~60°C
• Outdoor temperature range: -40~60°C
• Temperature accuracy: ±1
• Water level measurement range: 0~15m
• Resolution: 0.01m
• Accuracy: +/-0.03m
• Transmission frequency: 433MHz
• Transmission range: 100 meters (300 feet, barrier-free) 
• Transmission interval: 30 seconds when the level changes or 3 minutes when the level does not change
• Receiver battery: 2 x AA 1.5V LR3 alkaline batteries (not included)
• Transmitter batteries: 6 x AAA 1.5V LR6 alkaline or lithium batteries (not included)