specification:Item Type: Copy Code Remote Control_x000D_Material: ABS, stainless steel, metal_x000D__x000D_Size: Approx. 5.5x3.5x1cm/2.17x1.38x0.39in_x000D_Battery: DC12V 27A, 30mAh_x000D_Parameter:_x000D_Working Voltage: 12V;_x000D_Operating Current: 0.8mA;_x000D_Working Frequency: 433MHz;_x000D_Transmission Power: 10-15MW;_x000D_Launch Distance: Approx. 100m/328.08ft (empty);_x000D_Frequency Deviation: 0.2MHz;_x000D_Transmission Rate: 50-60KHZ;_x000D_Coding Chip: Standard copy remote control code; It has the function of copying the remote control and can be used separately;_x000D_Number of Keys: 4 keys_x000D_Shell Color: black;_x000D_Scope of Application: Customizable copy, copy type roller shutter door wireless remote control is widely used in various door and window controllers and other industrial control, anti theft alarm, smart home and other fields Features: 1Wide Application: Can make copy, copy type roller shutter wireless remote control, widely used in various door and window controllers and other industrial control, anti theft alarm, smart home and more. 2Durable Construction: The button and metal frame adopt plating process, which will not fade after long term use, resistant to high temperature, and the ABS shell is not easy to damage. 3High Performance: The garage door opener learning code key has high acceptance sensitivity, strong anti interference ability, narrow bandwidth, long receiving distance. 4Practical: Strong privacy, one to one key copy, each key password will save alone. Copy any fixed code remote controller, save the trouble of replacing specified remote controller. 5Coding Chips: Adopts standard copy remote control coding chip, supports copy function, and has the function of copying remote control and can be used alone. PackageList:1 x_x000D__x000D_CopyCodeRemoteControl