Highlights Wireless control. You can control the receiver with transmitter (remote control) from any place within a reliable distance, the wireless signal can pass through walls, floors & doors. Reliable control: The transmitter (Encoding) & the receiver (Decoding) use an 8-bit code. One/several transmitters can control one/several receivers simultaneously. If you use two or more receivers in the same place, you can set them with different codes. Transmitting Frequency: 315 M Hz Vibration Receiver: Mode: Vibration Decode: Fixed code by Soldering Power Supply (Operating Voltage): AAA 1.5V Battery Transmitter: Channel: 1 CHRemote Control Distance: 100m / 300ft (theoretically) Encode: Fixed code by soldering Power Supply: 1 x 27A -12V battery Specifications Shipping Weight (kg): 0.0548 Dimension (cm): 8.5 x 7 x 1.5 Package Contents 1 Vibration Receiver1 Remote Control