Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Included with one transducer, either 2 MHz or 3 MHz for fetal heart detection * Advanced pocket Doppler with three FHR modes * Features LCD Display, auto-correlation, active noise reduction, digital interface to Dopplex Printer to produce fetal heart tracing * Size: 5.5" x 2.9" x 1.1" * Power source: 9 Volt battery * Includes power cord, gel, battery, fitted pocket clip, warranty card and user manual *