Volt meter with 3 1/2-digit display, suitable in different applications where you need to measure DC-voltage. Constructed on integrated circuit ICL...More info
This level monitor can be used for keeping a liquid level constant or to indicate presence of any liquid. The three different levels ar...More info
Frost indicator for cars etc. LED blinking when temperature between +6 −3 °C. Below -3°C constantly on.
IR- tester with led indication. Supplied with 9 V battery.
