Product Name: H7ec 6 Digits 8 Digits Waterproof LCD Display Accumulator Counter Model NO.: H7EC Mechanism: Electronic Carry base: Module-n Synchronous Counter Carry Mode: Synchronous Counter Theory: Digital Function: Addition Counter, Reversible Counter, Subtract Counter Usage: Timer Switch, Multifunctional, Time Counter, Industrial, Electromagnetic Counter, Kitchen, Summation Meter, Universal Counter Type: Counter Voltage: Own Power Supply Count Mode: Addition Count Count Range: 1~999999/99999999 Count Speed: 10 Time/S, 200 Time/S Input: Contact Signal,The Signal Level Reset Method: Terminal Reset,Panel Reset Temperature: -10