433MHz RF DIY light switch can be controlled over remotely so you can control any home applications smoothly and adopts premium materials, such as fire-resistant shell, surge protective fuse, and advanced PC can provide fire prevention, overload protection to protect your family.
1. The RF transmitters must be used with the Smart 433MHz RF switch. It can not control the lights directly.
2. A piece of CR2032 is required for the RF transmitter, and the battery is not included in the package.
3. The double side adhesive tape is included in the package.