Working power
supply Self-powered (built-in lithium battery)
Accumulation time range
99999.9h, 99h59m59s, 9999h59m,9999d23h, 999999h59m,9999h59m59s
Total time mode
6/8 digits LCD display plus timing
Power failure memory
6 years
Control mode
1,2 end timing
Reset mode
3, 4 end short or button reset
Installation method
panel type