• Effective distance：more than 100M

• Frequency：300~400MHz (RF)

• Receiver power source：DC11~15V

• Transmitter power source：DC12V battery (A23)

• Relay contact：5A/120VAC 

• Dimension：Receiver: 48W x 87L x 23D mm

• Transmitter 37W x 62L x 15D mm (TX2 type)

• Transmitter 37W x 59L x 16D mm (TX4 type)

• Transmitter 37W x 70L x 15D mm (TX5 type)