Time timer. Time timer,digital timer,24 hour timer. 1.Full timer range:24 hours 2.Contact capacity: AC220V,16A 3.Coil voltage: 110V,230VAC 4.Full time range:7 minutes 5.Minature setting unit:0.5min could be set for 1m,1.5m,2m,2.5m……7m 6.Have a battery for 150 hours 7.Working temperature:-40 to +55C 8.Electric life:100,000 times 9.Mechnical life:10,000,000 times.