Features:

• Dimensions:
• Main body: 75 mm L× 128 mm H×26 mm D
• Probe: 27.8 mm L×160.25 mm H× 27.8 mm D
• Weight (main body with probe): 190 g
• Display type: Color LCD
• Waterproof probe:IPX7
• Heart rate range: 50~240 bmp
• FHR Accuracy: ±2%
• Ultrasound frequency: 2 MHz
• Ultrasound intensity: <10 m W/
• Audio output: 1.2 W (speaker) & 5 mm phone jack
• Sensitivity: From 10 ~ 12 weeks
• Auto shut-off: sound )1 min(, power )5 min(
• Power: 1.5 v battery×2 (type: AA)
• Battery life: 280 min