Data sheet?

Display method	8-digit 7-segment LCD
Operation method	Count up
Time operation	POWER ON START
Terminal	Terminal block
Power supply	Built-in battery(over 10 years)
Setting range	0.01 sec to 9999 hour 59 min 59 sec, 0.1 min to 99999 hour 59.9 min, 1 min to 999999 hour 59 min, 1 min to 9999 day 23 hour 59 min, 0.1 hour to 9999 day 23.9 hour, 1 sec to 99999999 sec, 0.1 min to 9999 hour 59.9 min, 1 min to 99999 hour 59 min, 0.1 hour
Input Method_Signal	No-voltage input(NPN)
Input Method_Reset	No-voltage input(NPN)
Control output	Indicator
Backlight	Backlight function
Protection structure	IP66(front panel)
Approval
Min. signal Width	SIGNAL, RESET input: Approx. 20ms
External set switch	SW1, SW2, SW3
Accessories	Mounting bracket, Rubber waterproof ring
Environment_Ambient temperature	-10 to 55?? storage: -25 to 65??/td>
Environment_Ambient humidity	35 to 85% RH
Weight	Approx. 96g (approx. 50g)

??W1 is the front panel RESET key enable/disable set switch.
??W2 is the time range set switch.
??W3 is available to select time specification TS1, TS2, or TS3.
??o-voltage input, voltage input: between terminals and the case,
Free voltage input: between the free voltage input terminal and the RESET input terminal, between terminals and the case
??he weight includes packaging. The weight in parenthesis is for unit only.
??he temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.