You can hack appliances like fans, ceiling sprinklers, wall outlets, and fireplaces. Trap Limitations:

Aim for at least 90% trap accuracy and 90% cleanliness to achieve high scores. Trap & Hack Guide

A common tactic is to honk to lure multiple burglars near a wall outlet for a multi-kill. System Requirements

Have a slight activation delay; time your hack so the burglar is directly underneath.

Typically one-time use but provide massive area damage and crowd control.