Features: and Duplicate your existing remote controllers,such as vehicle central locking systems,garage doors,electronic gates,electrical appliances,car sunroofs,heating systems,etc. It can'for t copy original car remote control, two-way remote control and rolling code remote control. 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. Package Includes: 1x Remote Control Duplicator Specifications: Material: Metal Type:ABCD/Switch/Red Button/1234 Working voltage: DC12V Working current: 10mA@12V Radiation power: 10mw@12V Transmission frequency: 433MHZ Transmission distance: 120-150M (open space, receiver sensitivity is negative 100dbm) Size: Approx. 5.8x3.0x1.3 for cm/2.28x1.18x0.51 inches Weight: 35g 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.