1. The product shell is made of High-quality materials, LED display 2. Functions: battery indicator, headlight control, boost function, boost gear. 3. Adaptive voltage: 36V 4. Applicable handlebar: 22.2mm. 5. IP65 waterproof grade. Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use PIN: 5PIN Material: ABS colour: black Package Contents: 1 x Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Bright Screen Display & USB Charging: The upgraded bright screen function allows for clear visibility of readings in dark environments. Rechargeable via USB cable for eco friendliness, with the option to use traditional AAA batteries (not included) Accurate and Precise Measurement: Measures grip strength from 0 to 265 lbs (120 kgs) with high precision strain gauge sensor, providing accurate momentary digital readings. Ideal for physical therapists, occupational therapists, athletic trainers, chiropractors, and general practitioners Easy to Use: The large LCD screen displays all measured values, including user code, age, gender, grip value in pounds or kilograms, and grip status. Maximum grip value and power level (weak, normal, strong) can be saved and easily recalled for comparison Various Occasions: Suitable for sports training, family use, and clinical settings. Essential for sports that require grip testing, such as rock climbing Memory Record: Stores up to 19 user definable data records, which can be viewed anytime. Displays incremental changes from the last record after each test for easy comparison