Jeti Universal Wireless Switch Expander SW4 ARM The extremely compact design with CABLE 6P4S DIY The extremely compact design with high quality Silicon MEMS gyros on gilded board and the enormous workload performance enable a gigantic flight performance and extreme 3D maneuvers Working frequency：1520μs 333Hz Now you can simultaneously turn ON OFF your Central Box 200 and Power Main Switch or Ignition Electronic Switch SPS 20 and Receiver Voltage Regulator SBEC 40 using Jeti R3 RSW Wireless RC Switch The Jeti Expander SW4 is an extension for Magnetic and RC Wireless switches and its designed for switching multiple devices simultaneously