Features 1、[Trigger Counter Module] The counter will not increase by 1 when powered on, and will increase by 1 every time the KEY is triggered. Data will not be saved when powered off, and will be recovered to 0 when powered on again. 2、[Bright Red Display] The counter module utilizes a 3 digit red digital tube display, ensuring clear and easy to read numbers in any lighting conditions. 3、[Reliable Materials] Made with premium PCB board and electric components, this module is sturdy and long lasting, the performance is efficient and stable. 4、[Exquisite Design] The well arranged components of the accumulator module contribute to an aesthetically pleasing appearance. 5、[Compact Size] With its small size, this counter module can be easily integrated into various applications, suitable for various industries and scenarios. Specification 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 shorted. Data will not be saved after power off, and will be recovered to 0 after power on again. Package List 1 x Trigger Counter Module