The receiving module includes a decoding chip, which can support EV1527, PT2262, etc The remote controller adopts the learning EV1527 encoding mode, and each remote controller there are independent address codes to prevent serial codes and mutual interferenc The receiving module has seven function options: inching self-locking interlock etc When the remote control button is pressed, D0, D1, D2, and D3 output a high level, and when not pressed, they output a low level. Use materials, durable,Wide range of use Working voltage: DC3V-5V Working current: 3mA Sensitivity: -110DBM Speed: MAX 12 KB/S Working mode: 7 modes to choose from, including jog, self-locking, interlock, etc Colour:As Shown Material:Plastic+PCB Package Contents: 1 x Receiver Module 1 x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.