Model Number AK-LS03 Brand Name AOKE Color black,Green Place of Origin Guangdong,China Code Fixed Code, Learning code,Rolling code Button 4 Buttons Usage Electronics Door/Gate/Car Operating Voltage DC6V Operating Current â?¤15mA RF frequency 315MHz 433MHz optional Radio signal range(open area) 50m(open area) Modulation ASK Size 70mm*32mm*10.5mm