Features: Million of groups of internal code combine no string code, so that the work is in highly efficiency. ABS is resistant to falling and compression. Strong signal penetration, not fear of environmental interferences. The effective distance of linears control and remote control is about 300M. Brand single-chip microcomputer programming is prevent signal interferences the simultaneous use of multiple set of equipment. The emission power of +5-8dbm can easily penetrate all kind of load-bearing wall, and you can control the whole situation in home. Specifications: Component:ABS Type:7 Button/11 Button/13 Button Size:Approx.120x42mm/4.72x1.65inch Inching/self-locking/interlocking/delay pairing method Inching learning: Press the learning button on the control panel once, and the LED indicator flashes once and goes out. Then press the button on the remote controller that needs code alignment, and the LED indicator on the control panel flashes several times continuously, indicating that the code alignment is successful. Self-locking learning: Press the learning button of the control panel twice, and then the LED indicator flashes twice and goes out. Then, press the button of the remote controller that needs code alignment, and the LED indicator of the control panel flashes several times continuously, indicating that the code alignment is successful. Interlocking learning: Press the learning button of the control panel for three times, and then the LED indicator flashes three times and goes out. Then, press the A button and the B button of the remote controller that need to be aligned, and the LED indicator of the control panel flashes several times continuously, indicating that the alignment is successful. Delay for 5/10/15 seconds: press the learning button of the control panel for 4/5/6 times, at which time the LED indicator flashes for 4/5/6 times and goes out, then press the A button of the remote controller that needs code alignment, and the LED indicator of the control panel flashes several times continuously, indicating that the code alignment is successful. Package Includes: 1Pc Remote Control note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.