The Grafco External Fetal Doppler is intended for use as a diagnostic tool to measure Fetal Heart Rate and Maternal Uterine Contraction in a hospital or clinic setting using non-invasive, ultrasound Doppler and external TOCO technique. Included features 4.1 x 3.1 adjustable LCD Build-in thermal line recorder Nine–crystal broadband pulsed wave transducer FHR1 and FHR2 monitoring Remote marker automatic fetal movement recognition TOCO monitoring Real-time displaying CTG, 12-hour monitoring trends, and playback Audible and visible alarm with upper and lower alarm limits settings Automatic transducer identification Dimensions 13.0 W x 10.6 D x 3.9 H in. 330 x 270 x 100 mm Weight 7.7 lb 3.5 kg Safety Complies with IEC 60601-1, IEC 60601-1-2, EN 55011, IEC 1157, YY 0449-2003 Display Backlight Cold cathode fluorescent Active Area 4.1W x 3.1 H in. 103.0 x 79.0 mm 320 x 240 dots Resolution 85 dots per inch Printing nbs Category Medical, Surgical and Physician Diagnostic Instruments This item ships from a separate warehouse and may require extra time for delivery.