Product Dimensions ：9.84" x 3.54" x 3.54" Model：JL-MY-007 Brightness：350 lumen Output：5V voltage, 1A current, USB interface Weight：340g Add Salt Amount：10-40g Suggest Liquid Changing : 10h illumination Duration :80h Reusable Salt Water Lamp Product Instructions Add saltwater or seawater in water lamp chamber to light up, no charging , battery-free ,can be lighted up with urine in emergency condition, reusable when you replacing internal energy blocks ,suitable for home lighting ,camping, fishing, hiking, or other outdoor scenes . Steps to Use 1.Open the buckle 2.Load new electrode 3.Add salt water 4.Turn on the light Precautions 1.Liquid seepage into or obstruction of the exhaust port will result in product malfunction. 2.Recommend liquid changing time for single use should not exceed 10 hours, pour the liquid and add new liquid for continuous using. 3.Pour out the liquid,clean the bottle body and energy block, keep the water lamp in a cool place , dry and store when you decide to idle the water lamp more than 8 hours. 4.Do not turn it over or shake it violently to avoid the liquid spilling and affecting the lighting effects. 5.Do not drink or reuse the salt water,children should be supervised by an adult when operating this device.