Universal 433MHz Wireless Remote Control 3-button Gate Garage Door Control Duplicator Learning Code Remote Control Key Features: Handy key chain size attaches to your car keys no more unwanted bulkiness. It can copy the IC model of original remote control is 2262.2260.FP527.SMC918.PT2240 ,EV1527 and etc. Approach to clearing old codes: long press the upper two (A & B) buttons to clear old codes(The LED indicator will flash three times, followed by a continuous fast blinking, which is the sign of cleared state.). Approach to recovering: Press the lower two buttons (C & D) for about 3 seconds till the light is on and flicker. (Or you can delete the codes and repeat the learning process.) Approach for code locking: press the B & D button for about 2-3 seconds till the LED indicator flashes three times, followed by a continuous fast blinking, which is the accomplishment sign of code locking. Scope of application: family and shopping malls burglar alarm; electric vehicle, automobile, motorcycle alarm; various door control systems and other intelligent controllers. Superior metal body provides strength and durability. High speed and high accuracy, the code is not easy to loss. Descriptions: Handy key chain size attaches to your car keys no more unwanted bulkiness. Easy to install and use, the 3 channel remote control system lets you take control of your gadgets, car and home or garage. It has code lock function, data regeneration function, one key intelligent copy function. Specifications: Color: black Size: 61*28*12mm Material: metal+plastic Working current: 12mA Working voltage: DC6V Transmission distance: 50-100m(open area, no interfere) Operating frequency: 433MHz Battery: Built-in 75mAh battery Package included: 1 x Remote Controller Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you! _x000D_