DEVMO 1/2'' Water Flow Hall Sensor Control Switch Fluid Flow Meter Flowmeter Counter 1-30L/min Compatible with Ar-duino auspowers_batchthree And the round electrode pads

And the round electrode pads are perfect to treat pain on other small joints or flat areas

Works great for mounting and accenting

and suitable for any working place

DIMENSIONS & CARE: 7" L x 3-3/4" W x 6-1/3" H

For clear vinyl tubing

DEVMO 1/2'' Water Flow Hall Sensor Control Switch Fluid Flow Meter Flowmeter Counter 1-30L/min Compatible with Ar-duino auspowers_batchthree And the round electrode padsDEVMO 1 2'' Water Flow Hall Sensor Control Switch Fluid Flow Meter Flowmeter Counter 1 30L min Compatible with Ar duino Maximum operating current: 15mA (DC 5V)Working voltage range: DC 5~18VLoad capacity: 10mA (DC 5V)Use temperature: 80COperating humidity range: 35%~90%RH (no frost)Allowing pressure: pressure 2. 0MpaTemperature: 25 ~ +80 CExternal threads: 1 2"Outer diameter: 20mmIntake diameter: 9mmOutlet diameter: 12mmPackage included: 1pc x Water