1.Could Dualrays provide OEM service?
RE: yes,we can offer OEM services four our customers. We can print your own logo on products,packaging and customized packaging box.
2.Is Dualrays a factory or trading company ?
RE: Yes sure, we have our own factory. We focus on intelligent industrial LED luminaires manufacturer, which specialize in developing, producing,sales and service for industrial LED luminaires,mainly service
distributor,wholesaler,contractors,trading companies from Western Europe and Oceania market.
3.Can i have samples to test ?
RE: Yes,sure. Welcome to order samples for evaluation before bulk order.
4.Why we use the high power LED ?
RE: A high power LED, sometimes referred to as a power LED, is one that is driven at current of 350mA or higher.
5.How to explain “illuminance“?
RE: The intensity of light falling on a surface area. If the area is measured in square feet, the unit of illuminance is footcandles(fc). If measured in square metres, the unit of illuminance is Lux.
6.What’s efficacy about the light ?
RE: The light output of a light source divided by the total electrical power input to that source, expressed in lumens per watt(lm/w).
7.How important is IP ?
RE: Classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers), dust, accident contact, and water by mechanical casing and electrical enclosures.
8.LEDs are more expensive than other lighting options,why ?
RE: LEDs can operate as standalone devices,but when grouped or clustered they require additional steps to operate properly. LEDs need proper components such as a circuits can be designed rapidly, but to ensure that they operate correctly and for long periods of time they require testing.
