Ryaco Grip Strength Tester, 396lbs/180kg Rechargeable Digital Hand Dynamometer Grip Strength Trainer Electronic Hand Grip Strengthener Exerciser Meter with LCD Display for Sport Home School Use

【Note】After receiving the product, please fully charge it before use to extend the battery life. When charging, “0” will jump alternately, and “000” will flash at the same time when it is fully charged. Use a 5V 1A charger when charging. Fast-charging phone adapters may trigger the device’s overvoltage protection. Will cause charging failure. Do not install AAA batteries while charging.If the device automatically shuts down during the grip test, the battery is too low and needs to be charged.
【Precision Measurements】Ryaco Grip Strength Tester equipped with a high-precision sensor, with a resolution of 0.2lb/0.1kg, Professional-grade dynamometer for accurate strength tracking, Maximum capacity of 396lb/180kg.
【Clear Digita Display】The large LCD screen clearly displays the measurement results, including gender, age, grip value, grip fluctuation state, the difference from the last comparison, and the grip strength level.