Specification: Ultrasound frequency: 2.5MHz (Color White) Display: 40mmx25mm LCD, and LED Backlight FHR Measuring range: 65~210bpm FHR resolution: 1bpm FHR accuracy: -+2bpm Output ultrasonic power : ＜30mW Safety type: Type B application part Power : AA Battery Features: - 100% brand new & high quality - Reliable FHR detection -Support 2.5MHz probe - High sensitivity probe, low ultrasound power - Built-in speaker and audio output - The probe is large, sensitive, 0 radiation, easy to measure. - You can share your joy - a healthy and strong heartbeat with your lover, families and friends Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2.5cm differences due to manual measurement. Package Included: 1 x Fetal heart meter 1 x manual

100% brand new & high quality(Color White) Reliable FHR detection Support 2.5MHz probe High sensitivity probe, low ultrasound power Built-in speaker and audio output The probe is large, sensitive, 0 radiation, easy to measure. You can share your joy - a healthy and strong heartbeat with your lover, families and friends Package Included: 1 x Fetal heart meter ; 1 x manual