






⚡ Find your breaker faster, work smarter, and never miss a beat!
The Klein Tools ET300 Circuit Breaker Finder is a professional-grade device designed to quickly and accurately identify the corresponding circuit breaker for any 120V standard electrical outlet. Featuring a microprocessor-controlled system, a strong transmitter with up to 1000 feet range, and a flashing arrow indicator for easy identification, it ensures efficient and reliable operation. Battery-saving auto power-off and trusted Klein durability make it an essential tool for electricians and managers overseeing electrical maintenance.






| Manufacturer | Klein Tools |
| Part Number | ET300 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | ET300 |
| Size | 1 Pack |
| Colour | Original Version |
| Style | Circuit Breaker Finder |
| Material | Ve411YDSH26 |
| Power Source | Battery Powered |
| Voltage | 120 Volts |
| Item Package Quantity | 1 |
| Measurement Accuracy | not listed |
| Certification | CSA, IEC 1010 |
| Included Components | (1) 9V Transmitter Battery |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 90.6 g |
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