... !1. Technical ParameterFrame: Black, made of ABSDOT matrix: 12*48Available color: Red, Blue, Yellow, Green, White. ... Large capability poly-lion battery for chargingCharging time: 2-3 hoursWorking time: 16-24 hoursBrightness: 25%, 50%, ... edit: 2 pieces of LOGO message (max. 12*384 pixels). It is better use Black Font ... 6m Promotion LED Graphic Name Badge 12*48pixels 3.2cm*10.2cm 5pcs/lot Free Shipping