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DC 9V/24V Wireless Remote Control Systerm RF Remote Controller 1CH 10A Relay Switch Receiver Transmitter 315/433Mhz Specification:1.Transmitter Channel: 4 CH Remote Control Distance: 0-200m (Please notice that is the ideal distance without any block and signal interfere , it would rise and fall about 10%-50% with the block and signal interference.) Encode: Fixed code, soldering 2260 2262 Frequency: 315/433Mhz Power Supply: 1 X 23A 12V L1028 Battery (NOT Include) 2.Receiver Channel: 1 CH Power Supply (Operating Voltage): DC 9V/12V/24V Relay: 10A/250V AC, 10A/125V AC, 10A/30V DC, 10A/28V DC Sensitivity: -105 dBm Operating Temperature: -40‘C ~ 80’C Size: 55*24*17mm Output way: Inter-lock