Feature: 1. 100M Range Control: Achieve accurate control with a range of up to 100 meters. Sweat and oil will not affect the product. The industrial grade crane controller is impact resistant, waterproof, oil proof, and acid resistant. 2. Dual Handling Options: Equipped with two handles, control the crane simultaneously or switch between them as a backup remote, significantly boosting work efficiency. 3. Sturdy and Robust: The robust casing, made of premium ABS materials, ensures IP65 safety. This system is resistant to water, dust, and rolling impacts, guaranteeing long lasting performance. 4. User Friendly Use: Receive detailed instructions and a printed manual for easy setup. The transmitter is equipped with LED lights to clearly indicate its operational status, making control straightforward. 5. Quick Response: Enjoy accurate and sensitive control with a quick response time of up to 0.01 seconds. Experience immediate and accurate crane maneuvering for enhanced operational efficiency. Specification: Item Type: Wireless Crane Remote Control Kit Material: ABS Voltage: DC24V Remote Controller Battery: AA Battery x4, 2 batteries for each controller (batteries not included in package) Remote Distance: Approx. 100m / 328.08ft (open range) Frequency: 800MHz Features: Shockproof, Waterproof, Acid and Oil resistant Application: for Overhead Crane, Conveyor, NC Machine, Coal Mine Machinery, Generator Start, Concrete Pump, Grab Bucket, Other Machinery. . Package List: 2 x Remote Controllers 1 x Receiver 4 x Remote Controller Keys 2 x Waterproof Bags 2 x Fuses 1 x User Manual