Brand New 
Anly 
TRD-N 
220V or 110V   30S 
 
Type:  TRD-N
Working Voltage:  210-240V/50-60Hz, 100-120V/60Hz
Max. delay time:  30 Seconds
Change time:  0.1 Second

We have various models.
for example, if you need 380V, 60S, 30S, 10S, etc., please contact us!