26/ How many colors are available for your EL Wires?We are able to manufacture any colors you desire.27/ How many kinks of drivers do you have?We have 15 kinds of standard (popular) drivers and 35 items none-popular drivers.28/ Life time of batteries for drivers.Average of 30 hours for two batteries (AA, 3V) for 1 meter wire. Use12v (8AA,5#) for 10Meter,it can work 50 hours, for 60 meter, it can work for 5 hours .29/Effect difference between EL Wire and other products