Features: brand new and high quality Multi-functional and multi-variable, personalized and user-friendly simple design and fast to use. Small and compact, easy to carry and convenient to use. Stable signal can pass through walls, floors, doors or for windows. This for smart copy remote control is suitable for electric door remote control, telescopic door remote control, garage door remote control. Widely used in Vehicle central locking systems, Garage doors, Electronic gates, Electrical appliances, Home automation, lights, Car sunroofs, Car/Motorbike alarms, etc. Specifications: Material:Metal Color:Blue/Black/Silver/Red Size:Approx.6.7x1.7x1.7cm/2.63x0.67x0.67 inches Operating Frequency: 433 MHz Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Remote Control Duplicator