Application : Bridge Crane / Overhead crane / Chain Hoist / Monorails / Concrete Pump Truck / Mobile Lifting / Tower Crane Product specifications: Transmitter: -Frequency: 433/480 MHz -Transmitter RF power. This item is in the category "Business & Industrial\Material Handling\Hoists, Winches & Rigging\Lifting Machine Parts, Rigging\Lifting Machine Remotes". The seller is "otohappy" and is located in this country: CN. This item can be shipped worldwide.