Product Specification Product Name: 100S6 Pocket Fetal Doppler Model No.: 100S6 Safety: Complies with: IEC 60601-1:1988?A1:1991?A2:1995 Classification: Anti-electroshock Type: Internally powered equipment. Harmful Liquid Proof Degree: Ordinary equipment (sealed equipment without liquid proof) Degree of Safety in Presence of Flammable Gases: Equipment not suitable for use in presence of flammable gases Working System: Continuous running equipment EMC: Group I Class B Suitable Using Range: Suitable for use after the 12th week of pregnancy Physical Characteristic Size: 130mm (Length) ×95mm (Width) ×36 (Height) mm Weight: About 180g (including batteries)