... usingVoltage: safe 12V DCAccessories: fluorescent marker pen, triangular easel, remote controller, hanging chain, battery are optionalCertificate: CE & RoHS certificate approved ... board / led advertising boardSize30x50cm, 40x60cm, 50x70cm, 60x80cm,70x90cm, 80x100cm, 80x120cm availableAccessoriesFree: adaptor, chain, cleaning clothOptional: fluorescent marker pen, triangular easel, remote controller ...