The Bestway Pool Heater is a compact and easytocarry heater to heat up your pool water and create a comfortable and relaxing swimming environment. By heating up 0.5 -1.5 degree per hour depending on total water volume, the Bestway Pool Heater is ideal for 15ft pools or smaller. Includes full detailed instructions on how to operate the Pool Heater. Contents: 1x Pool Heater UK Mains Plug Features Compatible with above ground pools with water capacities between 1,520-17,035 L (400-4,500 gal.) Compatible with filter pumps with flow rates up to 3,785 L (1,000 gal.) Digitally-controlled pool heaterwith soft-touch control panel Water flow sensor for high level protection Pool heater is supplied with a portable residual current device-rated residual operating current not exceeding 10mA Details Depth 29cm Height 25cm Length 48cm Maximum heater output 40℃ (104℉)  Our Business 100% Customer Satisfaction We go above and beyond to ensure you receive the best level of service. Returns We want you to be happy with your purchase, however in the rare occasion that you are not, please let us know and we will promptly sort out any issue with your order.