Materials: & nbsp; The floating chlorine dispenser is made of plastic, lightweight and portable, weighing only 80g. It can float easily on the water without sinking. Adjustable flow rate: The dispenser size is 10.9 * 12.3 * 5.2cm, suitable for 1.5 inch chlorine tablets. There are 5 adjustable flow levels at the bottom of the product. You can adjust it at will according to the size of the pool. Both ends are dosed to ensure even release. Note: 20g every 3mġ, 50g every 10mġ. Dispenser with thermometer: A kerosene thermometer is included in the device. The pool temperature can be easily read during disinfection. The measuring range: - 30 - 120 ?. The thermometer is made of kerosene instead of alcohol, even if you accidentally break the product, easy to clean, don't worry. Simple to use: Open the safety lock at the top of our pool chlorine dispenser, put in the chlorine tablets, adjust the flow rate and ready to use, the safety lock design can prevent children from opening it by mistake.