Feature: 1. Wide range of applications, widely used in remote control switches, remote control water pump on and off, remote control machine tools on and off, etc. 2. The remote control has the advantages of simple matching, safe and reliable use, etc. 3. This remote control has the characteristics of wireless remote control, simple and convenient operation. 4. Made of ABS material, which has strong wear resistance and long service life. 5. The appearance is small and cute, and the size is moderate. It is a universal remote control, suitable for various situations. Specification: Item Type: Digital Remote Controller Material: ABS Model: None Working Voltage: DC12V (12V23A 1 Battery) Battery Capacity: 60mAH (shipped Without Battery) Working Frequency: 315MHZ / 433MHZ (default 315MHZ) Chip Model: 1527 or 2264 (different for Different Batches) Encoding Type: Millions of Codes or Pad Type into a Password Oscillation Resistance: 4.7 (default) Modulation Method: ASK (stable and Less Interference) Remote Control Distance: 1000 Meters (open Distance) Size: Approx. 127 x 50 x 17mm / 5.0 x 2.0 x 0.7in. Package List: 1 x Digital Remote Controller Note: This distance is the theoretical distance without interference. In practical applications, the interference of the use environment is reduced. Please estimate according to the marked 10%‑30%. The more you go through the wall, the closer you are Distance issues are not regarded as product quality issues.