This is a hand-held fetal doppler for home baby heart heart beat monitor. It applies advanced 2.5MHz ultrasound technology, noise reduction design, with accurate water-proof sensor. You will get real time FHR data and more clear fetal heart beat sound. Really good practical product for pregnancy.

Features:
Hand-held design, portable for carriage.
Non-radiation, 2.5MHz low ultrasound, safe for fetal.
LCD Screen with Back light.
Water-Proof & High Sensitivity Sensor: for reliable detection throughout pregnancy.
Built-in speaker with volume control and a headphone jack at top. 
Noise reduction design, clear fetal heart sound.
Auto shut-off after 2 minutes.
Power by 3*1.5V battery(not included), with low power indication.

Note:
1. This product is suitable to use after 12th week of pregnancy.
2. Please press the "On/Off" button for 1-2 seconds to open or shut off.

Specifications:
Material: Plastic + Silicone
Power By: 3 * AA 1.5V Battery(Not Included)
Anti-electroshock Type: Internally Powered Equipment
Test to Meet: IEC60601-1,IEC60601-1-2,IEC62304,IEC60601-2-37,IEC62366,CISPR 11-B
Audio Bandwidth: 250Hz-1.25kHz
Ultrasound Frequency:  2.5MHz Continuous Wave    
Acoustic Output: Low Power Exemption BS EN 61157 (Clause 6)
FHR Display: 3 Digit
FHR Detect Range: 50-240 BPM
FHR Accuracy: ±1 BPM
FHR Resolution: 1 BPM
P-: <0.5MPa
Iob: <10mW/cm2
Ispta: <50mW/cm2
Working Temperature: 0°C to 40°C
Working Humidity: 30% to 90%
Main Body Size: 14.5 * 7 * 3cm /  5.71 * 2.75 * 1.18in (L*W*T)
Probe Size: 11 * 2.8cm / 4.33 * 1.10in (L*D)
Product Weight: 201g / 7.09oz
Package Size: 17.5 * 14.5 * 5.5cm / 6.89 * 5.71 * 2.16in
Package Weight: 314g / 11.08oz

Package Included:
1 * Fetal Doppler
1 * English User Manual