Hadeco Echo Sounder ES-101EX 2Mhz Foetal Doppler

• Great sounds with less background noise.
• Mobile phone size Doppler with built-in speaker & transducer.
• 3 modes available: Average, Manual counting, & Real-time.
• 2 AA alkaline batteries
• Large LCD for heart rate.

Power: DC 3V, 2 AA alkaline batteries
Battery life: 5 hours or more
Automatic shut-off: 3 min. with no signal
Speaker output: Max. 250 mW
Frequency: 2.25 MHz
Heart rate range: 60 - 240 bpm
LCD display: Heart rate, sound volume, low battery indicator
Output: Headset output
Dimensions: 45 (W) x 135 (D) x 30 (H) mm
Weight: Approx.150 grams, including batteries
Electrical safety: Conforms to IEC-60601-1