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: Water heater can make 5 gallons of water warm in a few minutes. Before inserting the heater, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supplyWidely Use: Immersion water heater can be used in water, especially fit for heating water 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 water 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: 3 5.43 x 1 9.69 x 11 4.17 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 +/- 1-3cm.