Features: OOTDTY Advantages: lengthy leadership excessive confidentiality, secure performance, low energy 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 in the remote control distance. Easy to use: wi-fi control, clear to install, immediately replace previous or broken. This product can control lights, motor, fans, cameras, video signals, audio-signals, electrical doorways / locks / window. This board is universal. The floor fan, shaking fan and desk fan would be switched over right into a hand-held handheld remote control fan although it became a fan without remote control before. The modification is simple, for example, the mechanical fan has four black wires connected-to the common-terminal, and the remainder three wires would be controlled by way of connecting the high, center and low grades respectively. The amendment is simple! It has the applications of snoozing 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 due to guide measurement,Please make sure that you do not mind earlier than you order. Due to the variation between diversified monitors, the image will not reflect the particular colour of the item.