Features Pulse counter with bright 4-digit LED light and easy to read 0-9999 display range. Compact size and attractive appearance, available in blue, green and red. High speed counter with low power consumption, accurate counting and small display error. Good stability, high accuracy and easy installation. Can be widely applied to automation equipment and testing equipment etc. The digital LED counter has strong interference suppression performance and retains the count value even in the case of power failure. The counting performance is stable and reliable. The counters are suitable for counters with various signal inputs and can be adapted to photoelectric sensors, proximity switches, reed switches, microswitches, magnetic switches, semiconductor components and various relays and switch contacts. We want to bring you the best possible experience with our products. If you have any pre or post-sales questions, please feel free to contact us. We are committed to bringing our customers the best shopping experience and will solve your problems promptly. Description: This digital display counter has bright LED light, high accuracy, good stability, and easy installation. The meter retains the number automatically when power off. Features: 4 digit bright LED light, clear to read. Good stability, high accuracy, and easy installation. Counting value will be retained when power failure. Wide application to automation equipment and test equipments, etc. Compact size, beautiful appearance, and Blue, Green, Red, three color for you to choose. Specifications: Working voltage: DC 8-24V DC current: 30mA Counting: Plus or minus Counting range: 0-9999 Digit number: 4 digit Color(Optional): Blue, Red Size: Approx. 8 x 4 x 2.5cm / 3.1 x 1.5 x 0.9inch Weight: 48g Wire diagram: Terminal 1: Positive Terminal 2: Ground Terminal 3: Signal Ground Terminal 4: Clear Terminal 5: Switch Pulse Signal Terminal 6: Blue wire for increasing Terminal 7: Black wire for decreasing Note: The 5-Pin cable is used to connect with the counter. Packaging Include: 1 x Digital Display Counter 1 x 5-pin Cable Package List