Automatic Blood Pressure Monitor best Quality QC concave and convex lenses the SSU Pathological Doctor Microscope

Automatic Blood Pressure Monitor best Quality QC concave and convex lenses the SSU Pathological Doctor Microscope the SSU Pathological Doctor Microscope empowers users to explore samples with confidence 1kHz 15kHz (HI) Velocity: 10Hz 1kHz (LO) Displacement: 10Hz 1kHz (LO) Displays Update Cycle: 1 second LCD Display: 3 1 2 digits display Single Output: AC output 2V peak (display full scale) Load impedance 10kΩor more earphones can be connected Power Supply: 9V Alkaline Battery (included) Static current: <=20µA Operating current: <=25mA Auto Power off: Turns off automatically in 60sec LCD Backlight: 7sec Operating Humidity: 30 90% R