315Mhz remote relay switch kits - 2 channels

Basic spec:
  - Frequency: 315Mhz.
  - Modulation: ASK
  - Working Voltage: 12VDC
  - Receiver Sensibility: -105dbm
  - Emission Distance: 100m in open ground
  - Size: 68mm*47mm*12mm
  - Defaultly 315Mhz receiver, exchangable with 433Mhz receiver.