This Simplicity 4-Channel Dosing Pump Bundle includes TWO items: the Simplicity 4-Channel Dosing Pump and a MarineAndReef.com Aquarium Cleaning Towel. The Simplicity Dosing Pump is an accurate, effective, and affordable liquid dosing solution. The four dosing heads offer high-precision liquid dosing combined with easy-to-use integrated controls. The compact, space-saving design can be flush mounted to a wall or placed on a shelf. The included pump head labels make identifying dosing solutions easy. The Simplicity 4-Head Dosing Pump is also compatible with the Simplicity 2L Modular Dosing Container and the Simplicity 5L Modular Dosing Container. Dimensions: 7.9” L x 3.0” W x 4.0” H. Power Consumption: 7.5W. Power Input: 12V DC. Power Cord Length: 5 ft. 3-year manufacturer prorated warranty. The MarineAndReef.com Aquarium Cleaning Towel is a durable, lint-free microfiber towel. 19" X 15".