Exact measurement results - Truma LevelControl precisely measures the level of the gas bottle by ultrasound, the amount of gas in kilograms and the remaining time in days. Measurement results via app directly on the smartphone. Easy to use - Simply attach the Truma LevelControl gas meter with integrated magnets under the bottle and remove when changing bottles. No installation, no cables. Start the app and the job's done Level Control App - Attach LevelControl under the bottle, start app, check gas supply - it couldn't be easier! If there is little gas in the bottle, receive notification via SMS on your mobile phone. Universal - Suitable for all standard European steel and aluminium gas bottles with a diameter of 200-350 mm. LevelControl is not suitable for plastic gas bottles, fillable tank gas bottles, gas tanks or butane gas bottles. TRUMA PROMISE - Truma has been known for decades for quality, service and innovation spirit. Our products have years of experience, know-how and pion. Quality that pays off., Weight: 0.220462262 pounds, Manufacturer: Truma Gerätetechnik GmbH & Co. KG