The Makita HR1830 has a Torque limiter: The drill stops when the bit hits against reinforcements.
Double Insulation
Variable speed
With reversing function.
Built-in dust collection system
Built-in job light
Impact energy: 1.2 J
Max in concrete: 18 mm
Max. in wood: 24 mm
Max. in steel: 13 mm
Blows per minute: 0-5,000 bpm
Input wattage: 440 w
Net weight: 1.7 kg