Equalizer EL Light Car Sticker is made from Electroluminescent (EL) Panel which is a new generation product in global lighting and display industry. It is a cold and plane lighting source no heat is generated from the electric energy to light energy. Sound Activated Car Sticker can be stick on rear windshield or side window wherever you feel appropriate. It increases safety while you are driving a car at night; At the same time it makes your car fashionable and amazing. It is really cool and also very easy to install. This flashing subject creates a fascinating view for your car. - Material: OTC conductive paper - Flexible and thin - Cold light no heat generated - Low power consumption - Easy installed - Lighting effect: Sound active and equalizer - Light color: Red blue green purple - Car input voltage: DC 12~24V - Driver with voltage booster function EL input voltage: AC 80~130V - Accessories: - 1 x Driver (Cable length: 2M) - 1 x 12~24V Car charger (36~134cm)