1500W High Power: The electric water heater was used for water 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 sure 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 Guard: The immersion water heater uses 304 stainles steel guard cover at the bottom. electric bucket heater protects the heating elements from contacting persons or animals directly. The holes on the guard help release heat into the water faster. the cord and plugs with UL Listed, more safer. Simple Operation: Immerse the electric pool heater into water below the watermark on the cord, plug the heater into socket. Check red power indicator light to make sure 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 Before Using: The submersible water heater must be completely immersed in water completely during working Please take out the portable outdoor heater before Pressing the water Please do not use swimming pool heaters for more than 3 hours Please do not plug two water heaters into a same socket to avoid fire. The cord and handle can't be submerged in water, there is a lowest watermark for reference on the cord. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. size:26 x 5 x 5cm Material:stainless steel colour:black Package 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.