1.1000m Long Range High Power 12CH RF Remote Control Transmitter 315 MHz. 2. This distance is the theoretical distance without interference. The actual application is reduced due to the interference of the use environment. Please estimate according to the marked 10%-30%. The more the wall is through, the closer the distance will be. 3. Suitable for controlling lights, , motors, fans, cameras, video signals, audio signals, electric doors/locks/ 4. You can turn on/off the receiver (remote control) with transmitter anywhere within a reliable distance. Wireless RF signals can pass through walls, floors and doors 5. The wireless receiving controller has the characteristics of high confidentiality, stable performance and low power consumption. It can be coded by or dial switches. Product name :1000m power 12-key remote control Working voltage: DC12V (12V23A battery 1 Working frequency: 315MHZ Chip model 1527 or 2264 (different for different batches) Encoding type Millions of encodings or pad-type passwords Oscillation resistance 4.7 (default) Modulation ASK (stable and less interference) Remote control distance 1000 meters (open distance) Colour:white Material:ABS Size:127 x 50 x 17mm Package Contents: 1 * Wireless Remote Control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.