Features: This circuit breaker finder which can automatically adjust sensitivity and find the target circuit breaker or fuse quickly and accurately. It can test whether triangle socket connection is correct and 3 indicators of transmitter show you the socket condition. With flashlight, convenient to use at the dark corner. Suitable for house, office, factory power network reconstruction and project acceptance. The receiver is powered by a 9V battery(not included), low consumption. Low battery warning. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC110V Color: Green Material: ABS Package Contents: 1 x socket tester 1 x storage box 1 x base (battery not included, requires a 9v battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.