Tuksumduin Pharma UK Ltd Easy-to-use memory function Time elapsed: Each segment represents an hour since the last dose Last dose volume: Records the last insulin dose in units Comes in two colours and a choice of fun skins The Penfill® cartridges are quick and simple to change Robust design that is built to last up to 5 years Fine-tuned dosing in half-unit increments End-of-dose click for reassurance Short button travel makes it easier to self-inject for little fingers Easy-to-use dial Up and down function Dial will not select more units than what is left in the cartridge