Detailed Product Description Visual Electronic Stethoscope Model: CMS-VE Features 1.Portable and convenient to operate 2.Based on latest piezo sensor technology 3.Powerful electronics amplify the sound up to a maximum of 32 times 4.16 steps programmable volume settings 5.Sound model: Heart, Lung, Heart and Lung 6.Frequency Response: 20Hz - 20,000Hz 7.Real-time record and display the heart rate and ECG 8.TFT color LCD display (65536 color): 160*128 pixels 9.Accommodates infant, pediatric, and adult patients 10.4.2V Rechargeble Lithium battery 11.Automatic switch off after 3 minutes from last button activation TEL:+86-13784493420(CN) +44 20 8133 598 (UK) +1 305 515 8032 (US) +55 613 717 1422 (BRA) FAX:+86-335-8015590 MSN: contec_tina@msn.cn SKYPE: contec01/tina8761 Email: contec.tinawang@gmail.com Yahoo Messenger: contec_tina@yahoo.com.cn