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 8-24VDC current: 30mACounting: Plus or minusCounting range: 0-9999Digit number: 4 digitColor(Optional): Blue, Green, RedSize: Approx. 8 x 4 x 2.5cm / 3.1 x 1.5 x 0.9inchWeight: 48gWire diagram:Terminal 1: PositiveTerminal 2: GroundTerminal 3: Signal GroundTerminal 4: ClearTerminal 5: Switch Pulse SignalTerminal 6: Blue wire for increasingTerminal 7: Black wire for decreasingPackaging Include:1 x Digital Display Counter1 x 5-pin Cable.Note: The 5-Pin cable is used to connect with the counter.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.