433Mhz Transmitter Wireless Remote Control Switch 6V 4CH Channel This product does not supply any instructions, please reference the description. This version does not support copy code function, please note about this before you order it. Feature: Voltage: 6V Working frequency: 433mhz Extremely easy to set up and use Copies most radio frequency fixed code remote controls Learning face to face in seconds Only copy of a fixed code, can not be copied rolling code Covers application ranging from simple domestic remote control to autonomous control, including car alarms, home alarms, panic buttons, garage door, rolling curtain, etc. Compatible with 2262 / 2260 / 1527 / 2240 etc chip and several code wireless remote control. So it can meet someone's need of choosing the wireless remote control as they like to work with it . Note: Use for 1012323 Package included: 1 x Transmitter