Bosch Detector Truvo 2nd gen. (Easy one-Button handling, Simple Detection of Live Cables & Metal Wall Scanner up to 70mm, in Cardboard Box)
£38.00
Price: £38.00
(as of Aug 13, 2025 05:36:24 UTC – Details)
From the manufacturer
Digital detector Truvo
How can we be certain where supporting elements, pipes or cables are routed in walls? The Truvo detector from Bosch detects ferrous and non-ferrous metals and live cables at depths of up to 7 cm.
The Truvo
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
Switch it on, detect and drill!
Switch on the Truvo by pulling down the slider and placing your hand against the wall.
Sound concept with park assist logic
New sound concept with parking-assistance logic clearly indicates where drilling should not be carried out.
Auto calibration
Practical auto-calibration for direct start-up and safer drilling.
Marking aids
Conveniently use the lines on the side of the tool to accurately mark results during operation.
Single-button operation
One-button principle with automatic calibration – simply use the ON/OFF button and begin scanning without further steps.
LED light
The LED traffic light system lights up red when an object has been detected, yellow when one is nearby and green when no object has been found.
Switching on the tool
Switch on the Truvo by pulling down the slider and placing your hand against the wall.
Keep moving
By moving back and forth, the Truvo memorises the course of the material and becomes more accurate.
Detecting the materials
Live cables and metals can be detected (see next step).
Traffic light system
Green: No object found
Yellow: Object nearby
Red (continuous tone): Metal
Red (flashing): Cable
Setting the marker
Using the marking slots, the target areas can be easily and accurately marked.
1 Switching on the tool
2 Keep moving
3 Detecting the materials
4 Traffic light system
5 Setting the marker
Live Wire and Metal Detection: The digital detector locates live wires up to 50 mm and metal up to depths of 70 mm; the wall scanner warns users with a blinking red light and beeping signal; dedicated LEDs make a differentiation between metal and live wires possible
Pick up and Go: easy scanning at the touch of a button; new sound concept with parking assistance logic clearly indicates where drilling should not be carried out
Auto-Calibration: The wall scanner automatically calibrates once the device is placed against the wall and will recalibrate when placed in a new position
Sustainability: This product comes with sustainability features, please find more detail in the images.
Scope of Delivery: Truvo, 3 x 1,5 V batteries (AAA), quick start guide, user manual, cardboard box
Customers say
Customers find the metal detector works superbly, is simple to use, and consider it a fantastic addition to their DIY toolkit, with one customer noting it performs well for £38. The device receives positive feedback for its incredible build quality. However, customers disagree on the device’s accuracy and sensitivity, with some finding it too sensitive to everything.
13 reviews for Bosch Detector Truvo 2nd gen. (Easy one-Button handling, Simple Detection of Live Cables & Metal Wall Scanner up to 70mm, in Cardboard Box)
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Beechey –
Learn how to hold it.
There is a knack to getting the best out of this unit, and unlike other such devices I’ve used before I had to actually read the manual to get the best out of it. But once you establish a consistent way of holding it, and a consistent sweeping pattern, then you get perfectly accurate identification of metal and electrical current in a cavity wall.Like I say, it has two detection capabilities it alerts on: metal and current. I was trying to trace and verify the exact location of a mains cable to avoid drilling into it, and was bemused as it seemed to pick up a second cable a handspan to the right which had no current. This second cable turned out to be a satellite coaxial cable. So I’m very happy that I didn’t drill into either cable.Great tool, but a bit more fiddly than the ones I used to use about ten years ago… But also more accurate once you get the hang of it. Expect lots of beeping while you trace your way to safety. Definitely staying in the top of the toolkit.
Alex –
May need recalibration and better instructions
So I read the 1 star reviews and the general vibe is that it goes off randomly so can’t reliably tell where the wires and pipes are.Sure enough, when I received it, I followed the quick guide and took off my Apple Watch, kept my feet bare and started testing – it was going off wildly at places that shouldn’t have anything. I was testing this at my in law’s house, my FIL rewired the house himself over the years and knew exactly where the wires and pipes were, and the Truvo definitely picked those up, but also going off where there shouldn’t be anything.He suggested that we should put our hands on the wall, and it definitely made a difference, but we were still getting weird readings at places.Finally I pulled out the thick instruction manual (not the diagram only quick guide), and read through the instructions. There are still no mentions of putting your other hand on the wall, even though it clearly made a difference. But what interested me was when I got to the recalibration instructions.I followed it, made the mistake of doing each step at a time first try when one of the steps required 0.5 seconds timing; second try also didn’t work as I waited half a second and probably went over the time; third time, flicked the switch off and on and it started blinking to indicate recalibration.Tried it after, the reading’s much more stable now. The light switches, outlets, etc. all worked as expected. Empty wall no longer triggered readings. There’s still one socket we’re not sure about but FIL said maybe he was wrong about it as it might have come through the back of the fireplace. Everything else seems to check out.So yeah, my advice: Dig out the manual and recalibrate it first. Then when using it, in additional to the instructions, put your other hand on the wall as well – like in all the photos (but not the instructions).
Dr. W. G. Wood –
Excellent piece of kit.
The Bosch Truvo is an excellent piece of kit. Many years ago I used to tell a joke about Sir Isaac Newton inventing a machine a machine that allowed him to see through brick walls – he called it a window! In a sense, the Bosch Truvo does this for real, as it instantly and accurately identifies the position of water pipes, steel studs, building plates and electric cables that are powered or unpowered that are hidden in plaster and cavity walls.The Bosch Truvo enabled me to drill through external brick walls with the complete confidence that I would not drill through water pipes and electric cables. This enabled me to successfully install an outdoor double gang power socket. This was needed to enable our Christmas lights to run and avoid leaving a window open during December nights to let their power cables come into our home. This always resulted in a cold and insecure room, and a loss of heat energy on winter nights.We believe the Bosch Truvo will lower our heating costs significantly this winter to the extent that it will more than cover the cost of the Bosch Truvo unit.Incredible quality and wonderful value for money, I can unreservedly recommend the Bosch Truvo as a vital piece of kit when doing electrical work around the home.
Elizabeth J –
Super helpful & saved me from electrocution!
Love this little tool. Very simple to use. DIY in an old house is always a bit scary as you never really know what you’re going to hit when you drill into a wall…will it be water, wood, gas or electricity?! This tool has definitely helped reduce the chances of screwing things up & may even have saved my life on one or two occasions!
Charlie Bragg –
Useless, even detected cable in glass!
Absolutely useless, this will detect metal and cables in a spot then say itâs fine minutes later, we tried all sorts to get this to work properly, following the instructions carefully, recalibrated numerous times. The final straw was checking it on a pane of glass, which it decided had live cables and metal in it⦠returned for a refund, donât waste your time
Simon –
Vague readings, I dont trust it
I like the simplicty but the meter doest perform very well. Stud and or elecs/metal found where there is none. Instructions say to hold it in a particular way and with other hand on the wall. (Standing on one foot while wearing a funny hat too for all the difference it makes) Back face has plastic studs and will leave marks on the wall if you run it over the wall. My old beat up meter is still better than this one.
Ucash –
Outstanding performance
Hi, I bought a £19 cheaper wall detector, and the performance was awful. But this Bosch does the job done. In the video, there are 3 marks on the wall where I planned to drill. We bought the place over a year ago and did not know what was in the walls.When I used a cheaper detector, it showed me a No Drill area almost anywhere on that wall even though it’s solid brick. apart from above/down or sideway from the sockets where a wire is laid.Even a child can use this tool, and its performance is outstanding for £38.Recommended!
Amazon Customer –
Useful tool
Did exactly what was expected of them. Would like a bit more info as to how to get the best out of them. But practice makes perfect. Got these as new house has many wood framed sections with hollow walls.
Timekeeper –
Auspacken, Batterien einlegen und loslegen.Sehr einfach in der Anwendung. Wichtig ist jedoch das die Anwender sich beim Gebrauch des Truvo in der Nähe der Messtelle erden. Das heiÃt wenn man eine Wand absucht sollte man die freie Hand auf die Wand legen die untersucht wird. Dann sind die Ergebnisse beeindruckend genau und präzise.Preis/Leistung gut. Empfehlenswert.
Bettyboop –
Proprio quello che cercavo! Efficace e semplicissimo da usare: basta inserire le batterie (incluse nella confezione) e spingere il tasto di accensione. Poi fa tutto da solo, non occorre nemmeno scegliere la modalità , rileva o cavi elettrici o tubi. Consigliatissimo
Goisnard –
Simple d’utilisation livraison rapide
Kindle Customer –
Możliwe że dostaÅem wyjÄ tkowo źle dostrojony egzemplarz.PoczÄ tkowo produkt dziaÅaÅ. Jest zbyt czuÅy i tylko poglÄ dowo pozwalaÅ wykryÄ gdzie jest kabel z bÅÄdem okoÅo 5cm, ale po jakimÅ czasie kompletnie zwariowaÅ i nie wykrywaÅ kabli tam gdzie byÅy naprawdÄ, a wykrywaÅ w miejscach kompletnie nie elektrycznych.
Cliente Amazon –
Excelente compra para el trabajo de bricolaje me viene genial lo recomiendo es bastante preciso