The AP Products 024-1000 Propane Tank Gas Level Indicator is the perfect solution for monitoring your propane tank levels. This easy-to-install device features:

• Sensor measures the liquid propane using active sonar technology
• Magnetic sensors mounts to center/bottom of LP tank
• Updates every 5 seconds
• Use with 20, 30 & 40 lb propane tanks
• Simple installation
• With included monitor you do not need to have a smart device and downloaded app to receive the level of propane in your tanks. 
• Monitor shows level using LED lights.

The AP Products 024-1000 Propane Tank Gas Level Indicator is the perfect way to keep track of your propane tank levels with ease.