Features: 1Long Distance Signal: the long distance signal can pass through wall floors and doors and the range can up to 100 meters without obstacles 2Stable and Reliable: The wireless remote control stably controls the receiver from anywhere within a reliable distance which is practical 3Easy Setting: The wireless remote control has high security low repetition rate and is easy to set and learn 4Scope of Application: The wireless remote control is applicable to home shopping mall electric vehicle automobile motorcycle alarm and various door control systems 5Pay Attention: When the remote control is lost you can delete the old coding and re learn the new coding so you can always control the remote control Specification: Item Type: Wireless Remote ControlMaterial: ABSVoltage: 12VCurrent: 10MAFrequency: 433MHzLaunching Distance: 100m (in an open environment)Chip Type: Learning CodingBattery: NiMH NiCd 23A Battery 50mAh (included) Package List: 1 x Wireless Remote Control Note: Shipped with Built in Battery