1500W : The electric water heater used only, heats 5 gallons of water in a few minutes, the portable immersion heater will heat water forward to boiling when you plug in (It can't boil water), just make the water always fully covered the pool heater. Wide Applicaiton: The instant water heater can be used in buckets, basins, bathtubs, mini inflatable swimming pools, etc. and the immersion heater is convenient, portable and suitable for travel, it is an Perfect tool for winter job. 304 Stainless Steel : The immersion water heater uses 304 stainles steel cover at the bottom. electric bucket heater protects the heating from contacting persons or animals directly. The holes on help release heat into the water faster. the cord and plugs with UL Listed, more . Simple Operation: Immerse the electric pool heater into water the on the cord, plug the heater into socket. Check red power indicator light to make the water bucket heater is on. then the portable water heater starts working. You can know the water temperature via attached device, and then remove the plug from socket when temperature reach your requirement, take out the immersion heater. Attenion Using: The submersible water heater must be completely immersed in water completely during working! take out the portable outdoor heater Pressing the water! do not use swimming pool heaters for more than 3 hours! do not plug two into a same socket to avoid fire. The cord and handle can't be submerged in water, there is a lowest for reference on the cord. Plug Type:US Plug,it applies to Canada, ,Mexico, Thailand, the , the Philippines,Taiwan and so on. size:26 x 5 x 5cm Material:stainless steel colour:black Packa Contents: 1 x heater 1 x thermometer Only the above package content, other products are not included. Note: Light 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.