F21-2S Hoist Crane Industrial Radio Remote Control Wireless Transmitter Push Button Switch Channel AC/DC 2 Key Switch (2 Transmitter+1 Receiver 65V-440V)

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• 【Intelligent wireless technology】the signal is not afraid of interference: adjust to the best performance, the signal is stable and low power consumption, the antenna is external, so that the remote control signal is everywhere.
• 【Material】IP65. Nylon fiber shell: comfortable touch, firm and fall resistance, strong anti-rolling ability, waterproof, anti-corrosion, insulation.
• 【Preheating device】With battery voltage warming device,the power supply is cut off during low power.
• 【High-performance metal contact button:】 Ensures that the 2.5N presses 12 million times 0 failure.
• 【Note】The remote control needs to be used with the contactor. It cannot be directly connected to a power source. Connecting the power directly will burn the motherboard.