5Safe: 1.Rust Proof 304 Stainless Steel Guard 2. Power Indicator 3. thicker copper cord 4. Digital LCD Thermometer 5. Better insulation and airtightnessEfficient Heating: heater can make 5 gallons of warm in a few minutes. Before inserting the heater, please make sure that the heater is completely immersed in the then connect the 120v or 110v power supplyWidely Use: Immersion heater can be used in water, especially fit for heating in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. This immersion heater is handy and super lightweight, making it perfect for travels and road trips.Safety Tip: 1. Make sure completely immersed in in working condition. 2.Do not use it for more than 3 hours continuously 3.Please do not plug the two heaters into the same outlet to avoid fire hazards. 4.Please take out the heater before touching the watercolour: yellowMaterial: stainless steelSize: 35.43 x 19.69 x 114.17 inchesPackage Contents:1 x heater1 x thermometer1 x steel wire ball1 x matte paperOnly the above package content, other products are not included.Note: Light shooting 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 and or 13cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.