Cordless drill rev and click multiple times
Electronic and digital clicks.
Multiple ball bearings being shaken and rattled in a hand.
Volt sensor on, clicks and chatter long, then off
Volt sensor, on with clicks and chatter, then off
Toy crane wind and click, back and forth
Toy crane wind and click, back and forth, slow
Toy camera takes pictures, down
Volt sensor, medium distant, on, clicks, intense then off