Features: OOTDTY Advantages: long leadership immoderate confidentiality, secure performance, low power consumption. High sensitivity: Wireless indicators can go through walls, floors, doorways or-windows without being blocked convenient: You can use the transmitter to turn the receiver on/off within the remote control distance. Easy to use: wireless control, easy to install, directly replace preceding or broken. This product can management lights, motor, fans, cameras, video signals, audio-signals, electric doors / locks / window. This board is universal. The floor fan, shaking fan and desk fan would be converted appropriate right into a hand held handheld remote control fan although it turned into a fan without hand held handheld remote control before. The amendment is simple, for example, the mechanical fan has 4 black wires connected-to the common-terminal, and the remainder 3 wires could be controlled through connecting the high, center and low grades respectively. The amendment is simple! It has the purposes of drowsing air and self-heating air timing. Specifications: Material: Plastics Size:Approx/4" Main Board Size: Approx/3" Type: Red English/Red Vietnamese Board/Red Chinese and English Voltages:110-275v Package Includes: 1 Set Circuit Board Note: Please enable 1-2cm mistakes thanks to handbook measurement,Please just remember to do not intellect before you order. Due to the difference between assorted monitors, the image may not mirror the particular shade of the item.