Features:Made from superior environmentally friendly material, waterproof, durable and reliable. Ergonomic design, portable size, convenient to carry. Wireless remote control duplicator for garage doors, gates, alarm systems, etc. Easy to use, the 4 channel remote control key fob lets you easily copy most remote control fobs. A great replacement key for your old one, you can still keep & use your original factory remotes. Specifications:Color: Gold, Black (Optional)Material: ABSVoltage: 12V 27AWorking Frequency: 433.92MHzWorking Current: 8mATransmission Distance: 50-100m (in open area)Output Power: 9dBmTransmission Speed: <10KbpsSize: Approx. 56.5 x 32 x 11 mm / 2.2 x 1.3 x 0.4 inchPackage Weight: About 30gPackage List:1 x RemoteControl Duplicator (Other items in the pictures are not included.).