BH-100 Non Rechargeable battery & BH-200 With Rechargeable Battery –
Specifications :

LCD Display Size : 45mm x 25mm ,Ultrasound probe solid durable, Anti-shock, Anti-falling down,
• Ultrasound frequency : 2/2.5/3 MHz ± 3%
• Measuring Range : 50 – 240 BPM
• Humidity : 0 – 85%
• Ultrasound intensity : <2.5Mw/cm
• Temperature : 5°C – 40°C,Rechargeable Ni-H battery (9V)
• Size : 135mm x 95mm x 35mm
• Weight : 500gm (Including Battery)