How to choose a bike light

Many lights on the market product features and prices are great gap, how to choose for their products?

Type and intensity of the light source lamp is that consumers are most concerned about, it is also an important factor in the impact of the price of the lights. The most common bulb on the market there are three kinds: incandescent light bulbs, HID and LED. To understand the source intensity, we must first know the light unit: lumens (Lumens), which indicates how much light energy radiated per unit time, it can be said that the amount of light emitted, the more representative of the greater number of lumens emitted light, of course, brighter.

HID (High Intensity Discharge) gas discharge lamps, also known as xenon lamp, high luminous efficiency (1W emitting about 50 lumens); the first is lighting for the stadium, and later cars also use it to replace traditional halogen lamps. With high illuminance (approximately three times halogen lamp), low power consumption (approximately half of general halogen bulb) characteristics, life of up to 2.000 ~ 3.000 hours, gradually be ported to use bike lights; HID say bicycle lights is the brightest choice, but expensive, mainly to the needs of professional athletes and glare lighting forest adventure enthusiasts.

LED (Light Emitting Diode) is a way to convert electrical energy into light energy of electronic parts, and also have the characteristics of diode, which is a negative with a positive, energized only when the anode from the LED will light, so give tributary power-LED will be steady light, if connected to AC power, LED will be presented to blink. When early in the multi-purpose LED display panel, along with the white light emitting diodes it appeared also used as lighting. In addition to its high efficiency (1W emitting about 60 lumens), long life (about 5 to 100,000 hours), not damaged, the temperature is low and affordable, and other characteristics of the illumination, the most important thing is he still has energy saving and mercury free environmental advantages, so called mainstream century new light source, also bike lights.