室内使用哪款无绳电钻最安静？

Compact brushless 12V drill/driver with a 3/8 in keyless chuck, two-speed transmission (0-450 / 0-1500 RPM), 280 in.lbs. max torque, and two 2.0 Ah CXT batteries; lightweight at 2.3 lbs with battery and includes LED work light and case. Suited for tight-space work and repetitive driving where a small, efficient tool with decent torque is needed.

Brushless 18V compact hammer drill delivering up to 850 in-lbs of torque, two-speed gearbox (0-700 / 0-2,150 RPM), a 1/2 in ratcheting metal chuck, and hammer mode for masonry; available as tool-only or in kits with 4.0Ah battery. Suited for heavier DIY and trade tasks where compact size and high torque are needed.

Compact 12V brushless 5-in-1 drill/driver with four detachable attachments and a 3/8 in. ratcheting chuck, two-speed transmission, and 15 clutch settings. Includes a 12V MAX 2.0 Ah battery and charger; lightweight design (1.6 lb) for tight spaces and overhead work.

The Milwaukee 3403-22 M12 FUEL is a subcompact, brushless 12V drill/driver delivering up to 400 in-lbs of torque with a 0-1550 RPM two-speed range. It includes REDLITHIUM batteries and an all-metal 1/2 in chuck, suited for trade and DIY users needing high power in tight spaces.

Brushless 24V cordless drill kit with a 2.0 Ah lithium-ion battery, 2-speed gearbox (0-380 / 0-1450 RPM), and up to 310 in-lbs of torque. It features an 1/2 in keyless chuck, 18+1 clutch positions, built-in LED, and a lightweight compact design suitable for home and DIY tasks.

Compact 12V brushless drill driver with a 1/2 in keyless chuck, two-speed gearbox (0-450 / 0-1700 RPM), 350 in-lbs max torque, and a 2.0 Ah PWRCore battery; designed for overhead and tight-space work and includes onboard LED lighting. Lightweight at 1.9 lbs and bundled with a charger and belt clip, it offers good power and runtime for DIYers and light professional tasks.

The Bosch GSB18V-1330CN is an 18V ProFactor brushless hammer drill with BITURBO performance, a two-speed metal gearbox (high-speed 0-2200 rpm, high-torque 0-550 rpm), a durable all-metal 1/2 in chuck, KickBack Control, electronic angle detection, and 25 clutch settings. It's a bare tool (battery and charger sold separately) aimed at heavy-duty drilling and driving including masonry and large-hole work. The tool weighs 4.6 lbs and features connectivity options via an optional module.