description digital circuit breaker finder the klein tools et310 circuit breaker finder with integrated gfci outlet tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected. the transmitter is connected to the electrical outlet or fixture in the circuit while the receiver is used to scan the breakers in the circuit panel. the transmitter also features a gfci outlet tester. circuit breaker finder locates the correct breaker in a panel. tester consists of two parts: a transmitter and a receiver. gfci outlet tester integrated in receiver. transmitter docks in the receiver for convenient storage as a single item when tester is not is use. transmitter incorporates a three-pin plug for connecting to north-american-style grounded electrical outlets. the transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (cat. no. 69411). receiver powers off automatically after approximately three minutes of non-use to conserve battery life. transmitter is powered by the circuit when connected to the electrical outlet or fixture. low battery indicator. easily accessible battery compartment. uses one 9v battery in receiver only; transmitter does not require a battery. built to withstand a 6.6-foot (2 m) drop. cat ii 120v safety rating. measurement category ii is applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage mains installation. includes transmitter, receiver, user manual, and 9v battery (for receiver). for more than 160 years, klein tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturi california proposition 65 warning. view warning label features this circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected gfci tester consists of two parts: a transmitter connected to the electrical outlet or fixture, and a receiver used to scan the panel to locate the correct breaker receiver delivers clear visual and audible indications when the correct breaker has been located operates on 90-120v ac circuits transmitter incorporates a gfci outlet tester to inspect the wiring condition at the electrical outlet and test gfci devices transmitter docks in the receiver for convenient storage as a single item when tester is not is use transmitter incorporates a three-pin plug for connecting to north-american-style grounded electrical outlets the transmitter may be connected to other electrical fixtures using optional accessories which are sold separately (cat. no. 69411) receiver powers off automatically after approximately three minutes of non-use to conserve battery life specifications acme tools brand name klein tools acme tools part number et310 assembled weight (lbs) 1.0 battery quantity required 0 battery size no battery required california proposition 65 warning required yes color / finish orange country of origin china dc polarity indicator not applicable dc voltage 0 digital / analog digital digital display yes globaltradeitemnumber (gtin) 00092644692406 internal supplier part # et310 internet product code (ipc) 5f146bd3d40 manufacturer warranty please refer to attached warranty document. material plastic package depth 11 package height 2 package weight 1.0 package weight (lbs) 1 tester type circuit upc 092644692406