The EC-805 or Pico alignment laser from Cemar Electro is designed for light-duty use by woodworkers who need to occasionally project cutting lines. The unit is only 3.15 inches long, and will fit on a wide variety of equipment, including table, radial arm and band saws.
The Ligno-DuoTec BW meter, from Lignomat USA, is a moisture meter that can check both wood moisture and air humidity. The meter can be operated in two modes, as a pinless moisture meter and as a Thermo-Hygrometer.