Features: Made of premium material, can resist weather and scratches, firm and durable. Compatible with all appliances with QCC1 connection and 5 lb to 40 lb propane tanks. The colored dial can accurately indicate the remaining propane in the tanks at different temperatures. Three-color indication, red means empty, yellow means low, and green means sufficient. Suitable for areas where the temperature varies greatly throughout the year. Can work with cylinders, propane regulator with hose and propane adapter, perfectly supplies the gas grills, ensuring the tight connection between the tanks and the RV. Handwheel design for easy grip, easy to install on QCC1 propane tanks. Comes with a dust cover, can protect the gases. Suitable for the use of gas grills, smoker, camping stove, lantern, tabletop grills, fire pit table, turkey fryer and more propane appliances. Specifications: Material: Brass + Plastic Working Temperature: -40? ~ 55 Item Length: 91.3mm/3.59in Package Size: 120*105*80mm/4.72*4.13*3.15in Package Weight: 450g/15.87ounces Note: 1. Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2. Please allow a little measuring deviation due to manual measurement. Package List: 1 * Propane Tank Adapter 1 * Adhesive Tape