"Demos Endustriyel Sistemler Ltd. Sti"., shortly "Demos" is a well known company especially for its own products related to telecommunication market ( base stations) and electricity products market.

Demos is located in Istanbul where is the financial and trade centre of Turkey.

Demos mostly supplies test equipments such as site analyzer, emr/emf tester ( electromagnetic radiation tester, spectrum analyzers, network analyzers), professional compass, digital inclinometer, feeder cutter tool ( cable preparation tool), nylon/steel cable ties, copper cable lugs, rf/feeder cables, transmission radio cables, rf connectors, led aircraft warning lights ( aviation obstruction light) / aviation light, pen type fiber optic cable fault locator ( visible laser light source)

Wetra is a registered brand name of Demos. Wetra branded product line includes the nylon/steel cable ties, copper cable lugs and led aviation obstruction lights ( led aircraft warning lights)

Demos exports Wetra brand led aviation obstruction lights ( aircraft warning lights) to Latin America, Middle East, North Africa, Eastern Europe, Central Europe, Australia.

Demos offers the following models of Wetra brand led aviation obstruction lights:

LED Single Aviation Obstruction Lights ( Aircraft Warning Lights )

LED Dual Aviation Obstruction Lights ( Aircraft Warning Lights )

LED Solar Powered Single Obstruction Lights ( Aircraft Warning Lights )

LED Solar Powered Dual Obstruction Lights ( Aircraft Warning Lights )

LED Marine Lanterns