ECG Cable electrodes and for ECG Holter 3 leads / 12 leads can be used on CONTEC TLC9803 / TLC5000 / TLC6000 - AliExpress
GE SEER 1000 Multi-Channel Digital Holter Recorder - MFI Medical
Amazon.com: CONTEC ABPM50 Handheld 24hours Ambulatory Blood Pressure Monitor with PC Software for Continuous Monitoring NIBP USB Port with Three Cuffs : Health & Household