Welcome to our store! Trigger Counter Module: The counter will not increase by 1 when powered on, and will increase by 1 each time the KEY is triggered. Data will not be saved when turned off and will reset to 0 when turned on again. Bright red display: The counter module uses a 3-digit red digital tube display, ensuring clear and easy-to-read numbers in any lighting condition. Reliable material: Made with premium PCB board and electrical components, this module is robust and long-lasting, with efficient and stable performance. Exquisite design: The accumulator module's well-arranged components contribute to an aesthetically pleasing appearance. Compact size: With its small size, this counter module can be easily integrated into various applications, suitable for different industries and scenarios. Item Type: Trigger Counter Module Material: PCB Model: QF MC03 3U Features: Power on will not increase by 1. KEY trigger will increase by 1 each time it is short-circuited. Data will not be saved after power off and will reset to 0 after power is turned on again. 1 x Trigger Counter Module Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.