# Small and Lightweight: The H3+ digital Holter recorder weighs just 1 oz. (28 g) - so small, patients will hardly notice its there# 3-Channel Recording: H3+ provides 3-channel recording with standard pacemaker spike detection# Convenient Waveform Display: Features a full graphic display to preview ECG waveforms during patient hookup# Impressive 48-Hour Continuous Recording: With just one AAA battery, H3+ supports continuous recording for up to 2 days# USB Data Transfer: Recordings are downloaded via USB cable to the HScribe 5 Holter analysis system. Recordings can also be uploaded from a computer with internet access to a scanning center equipped with Mortara Web Upload. Holter hookup can be performed in any convenient location