Ⅰ. Basic Parameters - Power: 100 watts, luminous flux: 2000 lumens. - Voltage: 230 volts. - Length: 189 millimeters. - It can replace most R7S double-ended lamp holders of T3 specification with a length of 189 millimeters. - The average service life is about 2500 hours, which helps reduce the replacement frequency of R7S halogen bulbs. (Please measure the lamp holder size in advance when purchasing. It is mainly suitable for 189-millimeter lamp holders rather than 78-millimeter lamp holders.) Ⅱ. Product Features - A halogen bulb with good performance and environmental-friendly features. - The beam angle is up to 360°. - It is a 100-watt, 189-millimeter double-ended J-type halogen bulb, suitable for R7S lamp holder types. - It uses transparent glass, providing warm-white (amber) lighting at 2700K, with a relatively good lighting effect. The Color Rendering Index (CRI) reaches 99, enabling us to see the true brightness of object colors under this light more clearly. - Due to the characteristics of halogen bulbs, it may generate heat occasionally. Ⅲ. Eye-Protection Function - The R7S halogen bulb with variable light intensity, namely the R7S J189 halogen tube, can adjust the light brightness through a dimmer. - It has little to no flicker, which is beneficial for eye protection. - There are few harmful emissions, and no obvious ultraviolet or infrared radiation. (Note that the 100-watt R7S projection bulb may not be as bright as a projector of the same power when used at a long distance.) Ⅳ. Wide Applications - The R7S 189-millimeter T3 halogen bulb is suitable for various applications such as projectors, spotlights, work lighting and safety lighting in homes, stores, and offices, as well as lighting in exhibition halls, stages, and studios, street lights, landscape lighting, etc. Ⅴ. Purchase Guarantee - We offer products that meet certain quality standards for customers. - Our aim is to achieve a high level of customer satisfaction.