F21-E1B VHF/UHF Industrial Wireless Radio Crane Remote Control 2 Transmitters 1 Receiver For Hoist Crane Lift ,Humanized Design

Remote control: The control distance can reach 100 meters, and can reach 300 meters when adjusted to high power, ensuring unimpeded long-distance operation High protection level: IP67 protection level, waterproof and dustproof, suitable for various harsh environments Low energy consumption design: Two AA alkaline batteries can be used for up to 100 days, economical and affordable Intelligent safety protection: built-in overcharge protection, temperature protection, short circuit protection, low voltage alarm and other multiple protection measures to ensure safe use High anti-interference ability: strong anti-interference ability to ensure stable signal and reliable operation