... long lifetime components and SMT manufacturing craft, and is reliable in performance. Specifications Power consumption: Voltage Circuit ≤1.5W ... can support 4 schedules, we can set 8 periods willfully in 24 hours.7. Freezing function: including timing freezing, moment freezing, ... and daily freezing, etc;The meter is widely used in the office buildings, shopping malls, residences, airports and metro ...