Schiller America CARDIOVIT AT-2 EKG Machine : Features include:6/12-channel representation of all 12 simultaneously acquired leadsAutomatic and manual modeFull-size 8.5"x11" reports (A4)Integrated rechargeable battery lasts for up to 400 recordingsSingle-button operationComputerized ECG interpretation programAccurate measurement programPortable at only 11 lbs. (4.8kg)Interpretation with C Software