NEW UPDATED MODEL: Featuring a pressure gauge for precise gas refilling, this Propane Adapter Hose is equipped with a rotatable luminous dial for easy nighttime visibility. The gauge allows for careful monitoring of gas levels without disturbing the tank's setup. WIDE COMPATIBILITY: Ideal for a variety of outdoor appliances including portable grills, camping stoves, and heaters, this adapter hose connects seamlessly to both 1 lb. camping bottles and larger 5-40 lb. propane tanks, enhancing convenience and versatility for all your outdoor activities. EASY INSTALLATION AND CONTROL: Attach this hose effortlessly to propane tank cylinders and 1lb bottles. It features a control valve for precise refilling and a adapter with an overflow protection device to during use. Initial connection of the QCC1 adapter is crucial for proper operation. UPGRADED SPECS FOR ACCURATE READINGS: Constructed with high-quality rubber and solid brass connections, this adapter offers reliable and safe long-term use. The luminous dial provides clear gas level readings day or night, with a valve to halt gas flow when refilling isn't needed. USE ADVICE: Connect your large cylinder to a small 1-pound propane tank effortlessly. The QCC1 adapter includes an overflow protection device. Always open the gas briefly before connecting the 1lb adapter to functionality. Close the refill valve when not refilling. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:PVC+Brass Package Contents: 1 * Propane Adapter Hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.