Panasonic Hour Counter, 6 digits, Tab Connection, 24 V ac. Input Type: Voltage. Count Capacity: 99999.9. Reset Method: No Reset. Display Range: 0 → 99999.9. Maximum Operating Temperature: +50°C. Mounting Type: Panel Mount. Series: TH63. Measurement Range: 0 → 99999.9. Weight: 80g. Minimum Operating Temperature: -10°C. MPN: TH634CEJ