SEW 191 CBI サーキットブレーカテスター (220~240 VAC)

● 191 CBI is an easy tool to find the circuit breaker or fuse supplying
    electrical power to an outlet or lighting fixture. Just plug the
    transmitter into the outlet.
● Use the receiver to scan the circuit breaker panel box. An audible
    tone will be clearly heard when the right circuit breaker is scanned.
● The plug of transmitter is changeable. The plug of transmitter could
    be changed for customers requirement from different countries.