The transmitter injects a signal onto the circuit which can be detected by the
receiver. The receiver will beep and its green LED will flash when the signal is
detected. The sensitivity of the receiver can be adjusted in order to pinpoint the
exact circuit breaker or fuse protecting the selected circuit.
Receiver:
Battery: 9V (6F22) battery ×1pc
Size: 186×90×38mm
Weight: about 150g
Transmitter:
Input Voltage: 1. 200~240V, at 50~60Hz
2. 100~120V, at 50~60Hz
Note: The actual input voltage required is marked on transmitter.
Size: 80×50×31mm
Weight: about 55g

Different Kits is available. Different Meter Aids are Available:

MUST LUX Meter
MUST Energy Meter
MUST Digital Earth Tester
MUST Digital Thermometer
MUST Infrared Thermometer
MUST Refrigerator Thermometer
MUST Digital MultiMeter
MUST D.I.Y Tools
MUST Electrical Tester
MUST Digital Clamp Meter
MUST Voltage Tester
MUST Automotive Tools
MUST Battery Tester
MUST Tool Kit
MUST Home & Garden
MUST Metal Detector
MUST Electronic Accessories