1. Small and comvenient. Elegant design. Steable performance. 2. Battery status indicator 3. Output for headphones & recording USB cable 4. Standard: 3M Probe 5. One piece 9V alkaline battery available which can work no less than 10 hours (not included the batteries) 6. The product is a lightweight, portable detector. It is designed to meet your detecting and hearing needs by providing advanced detectingfunctions and a full range of sound of the fetal heartbeat. Specification: 1. Product name:Fetal Doppler JPD-100S(mini) 2. Safety: Complies with IEC60601-1, EN 60601-1, EN60601-1-2, IEC61266 3. Suitable using range:Suitable for use after the 12th week of pregnancy 4. Power consumption: Less than 20mW 5. Power supply: 1x9V Alkaline batteries (not included) 6. Size: 104.5x50x70mm 7. Weight: About 69.5g 8. Environment: Working temperature 5~40C; Working humidity: Less than 80%; Working atmospheric pressure 86kPa~106kPa; Storage temperature -20~55C; Storage humidity: Less than 93%; Storage atmospheric pressure 50kPa~106kPa Package List: 1. Fetal Doppler x 1 2. English manual x 1 3. Headset x 1Specification: General Certificate MSDS Package Weight One Package Weight 0.23kgs / 0.51lb One Package Size 15.2cm * 11.8cm * 5.9cm / 5.98inch * 4.65inch * 2.32inch Qty per Carton 70 Carton Weight 15.00kgs / 33.07lb Carton Size 61cm * 47cm * 23cm / 24.02inch * 18.5inch * 9.06inch Loading Container 20GP: 404 cartons * 70 pcs = 28280 pcs40HQ: 938 cartons * 70 pcs = 65660 pcs