Product features: Three speed intelligent speed regulation to meet your different needs; Perfect compatible with all kinds of fan lights; The model can pass through the wall, even if the distance is far, the effect can be guaranteed; Can set sleep time, let you sleep at ease; The product has designed the cooling hole to extend the service life; Each remote control is independent and will not interfere with other devices; Simple operation, easy replacement with the original remote control; Small and portable. NOTE: 1. Power on and light up by default; 2. Wall fans and desk fans are not applicable; 3. Fan with negative ion and frequency conversion function is not applicable; 4. If you have any use questions, please consult us; 5. This product does not contain batteries 6.The latest version needs two No.7 batteries. Specifications: Product size:14*12.5*3.5CM Product weight:169g Load power: fan 200W Rated voltage: 85 ~ 265V Battery model: 2*AAA Battery Material: PC Matching instructions: Turn off the power for 10 seconds, turn on the wall switch, the light is on, and immediately press and hold the remote control "light" and "high" at the same time, you will hear a beep and the pairing is successful Specifications: -Material safety and reliability -Easy to install -Remote control distance -Intelligent timing -Three level regulation Package Included: 1X smart remote control