Bosch Digital Detector Truvo 3 x AAA Batteries Supplied LED Indicators

Compact, easy to use detector for safe and reliable drilling in walls. Detects ferrous metal, non-ferrous metal and live wires. LED 'traffic light' system indicates where drilling is possible. Green light where it is safe to drill, amber light for caution (drilling not recommended) and red light shows where not to drill. One-button operation.