What's in the box:
1x Circuit Breaker Finder (Receiver)
1x Socket Tester (Transmitter)
1x User Manual
1x Tool Case (Special Offer)
Size:
Transmitter - 103x56x30 mm
Receiver - 192x54x28 mm
Specifications
Operating Voltage - 110 - 120VAC (designed to work perfectly with standard US sockets)
Working Frequency - 47 to 63Hz (perfect for normal US sockets)
Power - 9V Battery (not included, but can be bought easily at any hardware or convenience store)