Voltage monitoring circuit

Waiter call light (WCL)

Waiter call light (WCL)

Waiter calling apparatus combined with a receptacle for...

Waiter signal device

Waiter signaling device

Waiting time display system

Waitstaff signaling device for use in a service establishment

Wall-mounted network outlet

Wall-mounted scoreboard

Wallet guard

Warning circuit for indicating that an intermittently operated d

Warning device

Warning device

Warning device and receptacle adaptor

Warning device for concrete finishing tool

Warning light system for use with a smoke detector

Warning system for racetrack

Water safety alarm apparatus

Waterproof signal light