With the McCamping inverters you convert the 12 V on-board power of your camping bus or motorhome into 230 V sine voltage. Thus, common devices such as coffee maker, TV or hair dryer can be used as usual even in camping vehicles. Integrated USB port (5 V, 2.1 A). Safety is provided by the reverse polarity and short circuit protection. The integrated fan protects against overheating. With1x Schuko and 1x universal socket each (not designed for simultaneous operation). Acoustic warning signal when the battery level is low.