... *2.5cmW * 2cmH, red with red light, green w/ green light, blue w/ blue light & white w/ white light, finger ring lamp. Description, 1) Item ... , LED finger lamp.2) Size, 4cm L * 2.5cm W * 2cm ... H.3) Red color w/ red LED, Green color w/ green LED, White color w/ white LED, Blue color w/ blue LED.4 ...