Green series 777 integrated wall system can easily reach all necessary diagnostic tools. For an examination room or the whole facility, GS 777 wall system can be configured to include glasses, otoscopes, thermometers, blood pressure and even vital signs equipment of your choice. Standardize on this wall system to ensure that your facility can obtain reliable diagnostic patient data in a consistent and energy-saving way to improve workflow and profitability. Welch Allyn Green Series 777 integrated wall diagnosis system, including wall aneroid sphygmomanometer (#7670-01), SureTemp Plus 690 electronic thermometer (#01690-300), wall transformer (77710), coaxial glasses (#11720), MacroView otoscope (# 23810 ),KleenSpec one-time peek. 100-240 V,50-60 Hz AC, IEC plug type B.