BOSCH D-tect 120 Detector Professional | Model : B-D-TECT120 Features : Spot measurement provides accurate detection on narrow surfaces Centre finder offers visual guidance, to clearly identify the precise location of the object's centre Dual Power Source allows for use with a 12 V Li-ion battery or with standard alkaline batteries Specifications : Bosch Radar Technology yes Max. detection depth 120 mm Detectable objects magnetic metals (e.g. iron), non-magnetic metals (e.g. copper), live cables, non-live cables, water-filled plastic pipes, wooden substructures Detection depth, magnetic metal, max. 120 mm Detection depth, non-magnetic metal, max. 120 mm Detection depth, live cables, max. 60 mm Detection depth, wooden substructures, max. 38 mm Accuracy ± 10 mm* (*plus use-dependent deviation) Views Spot view Wall types Concrete, Drywall, Universal Material identification Live cable Power supply 12 V Li-ion or 4 x 1.5 V LR6 (AA) Automatic deactivation, approx. 5 minutes Weight, approx. 0.5 kg Additional function Dual Power (10.8 V/4 x 1.5 V LR6 AA); Centre finder with object direction indicator Included 4 x AA batteries Accessories included : Bare Unit