[Brighter] Equipped with high brightness LED. Achieving approximately 1.5 x brightness compare to previous old model. Dimmer adjuster enables to adjust to desired brightness level. [Whiter] The LED equipped in the Simple 5 has unbiased pure white color. Sharp and clear light supports detailed microscope observation. [Safe] Metallic frame protects electronic substrate inside and endures many hours of observation under various operating environment. [Simple Operation] Simple design with built-in-body On/Off switch and dimmer adjustment. Simply connect it to outlet for use ! [Attachment to Microscope] Simple 5 can be attached and fixated to microscope with 3 set screws. It can be attached directly when attachment diameter is between Φ40 to Φ61mm. [Made in Japan] Micronet Inc. is japanese company. SIMPLE5 is designed in japan, and made in japan. [Specification] Max illuminance: Over 15,000 lux Voltage range : AC100V-240V Lighting method: All Lit Dimming: PWM (variable range 0-100%) Attaching Diameter: Φ40 - 61mm Color Temperature: approx 8,000K Power Consumption: 2.5W