DP2 Jebao/Jecod Auto Dosing Pump Automatic Doser for Aquariums Each Channel Provides 1 to 9999ml per day Each Channel can be programmable up to 24 times per day Idea for Dosing CA / MG / AB Water or other liquids+ Power 110V to 240V 50/60Hz Item is NOT Include a Dosing Tubing.