Wireless Switches Remote Controller Fiberglass Industrial Crane Lift DC 3V Tool. Low-cost, low energy consumption, two alkaline batteries can be used 4 months, Buyers bring their own battery.Control distance: up to 100 meters. Transmitter Power: DC 3V (2 alkaline AA batteries can be used 4 months). Receiver Power Supply: AC 380V/220V/110V / or DC 12V/24V/36V/48V. This items without include battery, because airlines and airplane do not allow. This item is in the category "Business & Industrial\Material Handling\Hoists, Winches & Rigging\Lifting Machine Parts, Rigging\Lifting Machine Remotes". The seller is "myincast" and is located in this country: CN. This item can be shipped worldwide.