The main technical parameters:
 
1. Control the number of not less than 120 times
 
2. Day time error < 2 s/day
 
3. The maximum switching current 4 a
 
4.2 roadmap for control (bell and appliances)
 
5. Three types of ringtones (first bell, the bell, the bell)
 
6. The output control voltage: AC220V; Load current: 2 a
 
7. Size: 250 mm * 200 mm * 85 mm