The wattage is the value given to the energy consumed by the light bulbs or fittings itself. For example, a 5W LED bulb will use 5 watts of power. It's total power consumption, which includes power of LED and driver.

Dimmable feature means you can control brightness of bulbs as you wish. Featuring the very latest in LED technology these bulbs can be dimmed on most dimmers. In order to prevent flicker, silicon-controlled rectifier(SRC) type dimmer is the best choice

This details what this bulb is a replacement for in terms of standard halogen bulb wattage, this allows you to make compaison when replacing your exsiting halogen bulb. Make ensure you get a similar light quality and brightness from your new LED bulb.

It describe light Color. Warm White is a softer more yellow light that is closer to the light given off by a traditonal halogen spotlight .Therefore warm white is better suited for living rooms. Cool white is a much brighter white that is closer to light given off by CFL bulb. It's best suited for commercial area. Daylight white Color is like light given off by a fluorescent tube.

This is a measyrement of the volts required to operate the bulb. The standard for the US is 110V. This means that you can plug these directly into exsiting fittings without changing anyu of the electrics.

Sometimes also interpreted as International Protection Rating, classifies and rates the degree of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in mechanical casings and with electrical enclosures. The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects. The higher of this number, the better it can protect against hazardous parts.