Features: FHR measurement range: 50~230 BPM, 3.0 MHz ultrasonic frequency. Clear LCD display, easy to check the measurement at a glance . High sensitivity, no radiation, safe for mom and baby. Powered by 2 AA batteries (NOT INCLUDED), eliminates cable noise. Compact and lightweight, easy operation, perfect self-checking tool. Specifications: Material: ABS Color: Blue/Pink (optional) Display: LCD Range of FHR measurement: 50~230 BPM (BPM: Beats per minute) Probe: 3.0 MHz Volume: Adjustable Power supply: 2 AA batteries (NOT INCLUDED) Cable length: 180 mm Item size: 128.2*95, 5 * 29.4mm / 5.0 * 3.8 * 1.2in Item weight: 200g / 7.1oz Package size: 20.0 * 12.0 * 10.0cm / 7.9 * 4.7 * 3.9in Package Weight: 250g / 8.8oz Package List: 1 * Pocket Fetal Doppler 1 * Probe 1 * Manual
