Televisions have electronic sleep control. This means that the TV can be pre programmed to turn itsef off.
Computers also have a sleep and hibernate mode.
There are many different types of electronic timers which includes time indicators (for specific times), reset timers, repeat cycle timers (for repition of same cycle) and Multi-function timers.
there are two types of sleeps theres a heavy sleep and a light sleep
thousands and millions
Ummm a Janitor
There are many places where one could purchase a timer for the game of chess. The best to look for chess timers would be electronics websites like Amazon.
DGT appears to stand for Digital Games Technology, a company started in 1992. They specialize in electronic chess boards, timers for multiplayer games and the like.
There are several types of product that shown on the Music Hall website such as turntable, electronics, loudspeaker, cartridges, accessories and vintage electronics.
Waterbury Timers was created in 1947.
The Old Timers was created in 1957.
The Short-Timers was created in 1979.
Local retailer such as Frys, Best Buy, and Radio Shack can sell Magellan electronics. However, you can absolutely purchase these types of electronics online through electronics websites or amazon.com
There are many types of electronics that use charger technology. These would include smartphone chargers, tablet charges, laptop charges, and iPod chargers.