Features: Brand and high quality Copy any remote with ease using the AK-1801A074 four-button key fob, for car remotes and home automation. Made from durable ABS and metal materials, this fob operates on a 315 MHz/433.92 MHz frequency and is powered by three 2016 button batteries. This fob is for anyone who needs to copy a remote, such as those who have multiple cars or home automation systems. Use this fob in a variety of settings, including controlling lights, opening garage doors, and more. With its easy-to-use copying function and compact size, the AK-1801A074 is a must-have for anyone who wants to simplify their remote control collection. Keywords: key fob, remote control, home automation. Specifications: Operating frequency: 315MHz/433.92MHz (optional) Battery type: button cell 2016x3 Working Method: Copy Shell material: ABS Product size: 63x32x14mm (including shell) Product weight: 17.1g (including shell, excluding keychain) Working voltage: DC4.5-6V Emission current: