Never run out of gas again! Wirelessly monitor how much gas you have left from your phone with our Bluetooth ultrasonic Gas Liquid Level Sensor. No more guesswork.

Features:

• Works on 3,4,5,6,7,9,12 and 19kg cylinders
• Ultrasonic level measurement
• Extra strong magnets to attach the sensor to the base of your cylinder
• Easy DIY installation
• Monitor as many bottles as you want, on the road or at home
• Set an alarm to get notified when the Gas level drops below your preset limit
• CR2032 replaceable battery