The present invention relates to a clip type light emitter, and in particular to a clip type light emitter capable of enhancing a visual field at night by detachably engaging a clip type light emitter to a leisure cap generally used for a mountain climbing or fishing or travel or various sports. Memory modules comprising a number of volatile memory devices may be fabricated. Also, a process for preparing this at least partially fire resistant thermal insulation material. According to yet another aspect, an electronic triage tag is configured to include a colored card insertion region for inserting a colored card for preventing the device from being inadvertently activated, an LCD screen and a series of LEDs for displaying the triage status of a patient.