1 Channel 12V Relay 433Mhz + Remote Module

Strong 433 MHz RF signal This RC RF wireless relay remote control switch uses 433 MHz radio frequency technology and an EV1527 learning code chip for reliable signal and improved security. The signal can pass through walls, floors, and doors, allowing you to control devices connected to the relay receiver from any location within the effective range.   Easy to use Extremely easy to set up and reset. There are four operating modes (momentary, toggle, latched, delay) and the mode is adjustable to suit your needs. The relay has three terminals (NC / COM / NO).