●UNIQUE HEATED DESIGN--This heated water hose is of 4 layers premium hybrid polymer material. The entire heated wire was wrapped with inner water pipe by insulation layer. The middle of water hose won’t be frozen anymore. So KILA KILA heated water hose is more insulated and frost-proof than original water hose. ●SAFE OF DRINKING WATER--KILA KILA heated hose is SGS certified drinking water safe hose. The exterior jacket and the inner water pipe are BPA-free, lead-free and phthalate-free. We can make sure that no plastic or rubber odor when you use the heated water hose. ●PERFECT HEATED HOSE FOR RV--This 50ft heated RV water hose includes 3/4” male/female fittings on the hose end and universal adapter fit for most hose connections. Also 5/8" inside diameter means greater water output than 1/2” inside diameter hose. Necessary accessories for winter RV life & traveling. ●DOUBLE WATERPROOF & SMART HEAT SYSTEM--The intelligent thermostat is unique double waterproof design different with other normal heated hose. No need to worry about water pipes be frozen due to water in the thermostat in rainy or snowy day. With the intelligent temperature regulation function, the minimum temperature can be reduced to -45°F and only heats as needed to save energy. ●SATISFACTORY SERVICE--KILA KILA is committed to producing only high quality items, and great customer support. If you have any problems or the fittings can not fit your RV and other equipment we will provide a replacement or full refund for 1 years after purchase date! Just contract us on amazon. Its our aim to provide you with 100% satisfaction.