Model Number : Counter ModuleType : 3-digit CountersDIY Supplies : ELECTRICALBrand Name : Aideepen : Mainland ChinaCertification : CEtype 1 : countertype 2 : pulse countertype 3 : digital pulse countertype 4 : counter digitaltype 5 : counter moduletype 6 : digital lap countertype 7 : digital counter for fingertype 8 : digital counter moduletype 9 : reversible pulse countertype 10 : wire length countertype 11 : 12v pulse counter with handstype 12 : arduino pulse counterCounter Module DC 12V Power-ON 3-Bit Accumulator 3-Bit Red 0.36in Digital Tube Display Trigger Counter Module AccumulatorFeatures:1.Use high-quality materials for durability2.Exquisite appearance and beautiful arrangement of components3.Small size, simple application, and free selection of different modes4.Efficient and stable performance, working life5.Wide citation range:Working voltage: DC4-7V/DC7-16V/DC15-26V (freely selectable voltage range)Display: 3-digit digital tube, 0.36 inches, redFunction:MC03-1: The count for each power connection is+1, with a maximum value of 999. If the maximum value is exceeded, it will start from 0. If the power is cut off, the data will be savedMC03-02: Power on will not automatically increase by 1. For every short circuit, the KEY count will increase by 1, with a maximum value of 999. If the maximum value is exceeded, it will start from 0. If power off, data will be savedOperating instructions:1. Every time the power is turned on, the count will automatically increase by 1 (if the power on count plus 1 function is not required, please select MC03-02)2. Two welding points at KEY position will be added 1 for each short circuit3. How to reset back to 0? Short circuit the two welding points at KEY position for 3 seconds when powered on, release and immediately reset to zero, and the value returns to 0Package include:Counter module * 1