Doorking M500 Loop Tester
DOORKING LOOP DETECTOR MODEL 9401-045
Loop testing device. LED indicator will tell you the life expectancy of your loop.
Specifications:
- Plugs right into the Doorking gate operators
- May be used for exit loop, safety loop and center loop
- No harness is necessary
What's included:
- 1 tester
- 1 carrying case