Compact and lightweight: This digital handheld counter measures 6.6 x 3.5 x 2cm in size and weighs approximately 20 grams. It is compact and lightweight, allowing you to keep it in your pocket and carry it with you, so you can start counting anytime. There is a hanging rope on it, which can be hung around the neck or wrist for easy use and to prevent loss. Durable quality: The high-quality ABS plastic shell of this counter has wear resistance and drop resistance, is not easy to break, and has high durability. It is powered by LR44 button batteries (including) and can provide over 250 hours of long-lasting power, allowing for long-term use without the need to replace the battery. Easy to operate: Press the on/off button to turn on/off the clicker. When the counter is turned on, the screen will display "0". When counting, press the "+" key to add a number one by one, and press the "-" key to subtract a number. If you want to reset the number to zero, you can long press the on/off button until the screen displays 0. Clear and accurate: This electronic manual clicker has a 4-digit LCD display that can show numbers between 0 and 9999 (not applicable to negative numbers). You can count from 0 to 9999. When you add or subtract a number, the LCD screen will display it clearly and accurately, without worrying about counting errors.