promotional light pen. model:SYL201 Function: writting, light up refill: 1.0 or 0.7mm in blue or black. Logo: imprint promotional light penmodel:SYL201Function: writting, light up, promotion, giftsrefill: 1.0 or 0.7mm in blue or black.Logo: imprint and lasercolor: black, red, blue, silver, green, pink, yellow, green, brown promotional pen