Features: brand new and high quality The receiving module provides high signal sensitivity and anti-interference to achieve excellent stability at a low cost. Strong signal: Using radio frequency technology, it can pass through walls, floors and doors, and control the receiver anywhere within a reliable distance. The maximum range can reach 1000m/3280FT, which is barrier-free. Easy to control: low learning code repetition rate, with re-learning mode, high security, can delete old codes and re-learn new codes. High sensitivity: sensitivity -105dbm, stable and reliable performance, high receiving sensitivity, strong anti-interference ability. Wide range of applications: The remote remote control switch is used for various electrical equipment such as mud pumps, motors, lamps, fans, insecticides, sprayers, car washes, bells and so on. Specifications: Material: ABS Type: Switch/ Switch+1 Remote Control/ Switch+2 Remote Control/ Switch+3 Remote Control Switch Size: Approx. 5x7cm/1.96x2.75inch Remote Control Size: Approx. 4x9cm/1.57x3.54inch Working Voltage: DC12V or 24V Quiescent Current: 8mA Operating Frequency: 433mhz or 315mhz Load Power: Each Channel 120w Receiving Sensitivity: -105dbm Frequency Deviation: -0.2mhz~+0.2mhz Coding Method: Learning Type Working Mode: Jog, Self-locking, Interlocking Modulation Method: Ask Remote Control Distance: 1000m (wild) Working Environment:-10 Degrees~ + 60 Degrees Package Includes: 1x Switch/ 1x Switch+1x Remote Control/1x Switch+2x Remote Control/ 1x Switch+3x Remote Control（Battery Not Included） note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.