GEYA GRT8-LT Emergency Light Tester Relay 16A AC230V 50/60Hz Adjustable Time Delay Setting with Rotary Switch 0.5mins-180mins

GEYA GRT8-LT Emergency Light Tester Relay 16A AC230V 50/60Hz Adjustable Time Delay Setting with Rotary Switch 0.5mins-180mins

Aliexpress UK