SCOTTCARE CHROMA HOLTER RECORDER 101273. 5 wire holter recorder. The large, bright color OLED display facilitates ease of use with audible and visual patient lead disconnection and medication/activity reminders. Has superior pacer detection with adjustable sensitivity for the latest pacemaker technology and records up to 30 days of continuous, 3-channel, ECG data. 5 or 7 leadwire sets sold separately.