Kingavon 2 rechargeable dehumidifiers each contain 300g of silica gel which will gather moisture from the surrounding area to protect your motor home/caravan etc from dampness. One cable is supplied with a 230V 3 Amp plug. The easy to read indicator will show pink when the dehumidifier needs recharging and blue when the unit is ready to use - simply plug in and recharge overnight. The units will last 3-4 months between recharging depending on the volume of air and the amount of moisture in the atmosphere. CE Approved.