User Manual for QIACHIP models including: KR1204B 12V 4 Channel Receiver, KR1204B, 12V 4 Channel Receiver, Channel Receiver, Receiver
QIACHIP Wireless Relay 12V 433mhz RF DC 6V 12V 24V 4CH Channel Remote Control Switch Receiver Module with 2 Radio Transmitter for Garage Door, Motor,Electric Curtain : DIY & Tools