Digital Prenatal Fetal Doppler Heart Sound Monitor

BATTERY STATUS FEATURE. Never worry about when the power will run out. The device bears a battery status feature displayed in the LCD screen. This will tell users when the batteries need replacement. LCD BACKLIGHT. The gadget comes with a 45mm x 25mm LCD display with backlight features for easy readability. POWER SAVING FEATURE. Save battery life with the gadget’s power saving feature. The device automatically shuts down after 1 minute of inactivity. Also, enjoy long uninterrupted use with two (2) AA size alkaline batteries. HIGHLY ACCURATE AND SENSITIVE. The baby device can measure an FHR of 50 - 240 beats per minute (BPM). It has a +/- 2 BPM accuracy reading. Choose among its 3 operating modes.